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Finding the Fourth Proportional to 7,302.10, 10,953.15 and 3,604.90

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Solution

The fourth proportional to 7,302.10, 10,953.15 and 3,604.90 is: 5,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.10 : 10,953.15 = 3,604.90 : x
  2. Step 2: Convert to fraction form
    7,302.10/10,953.15 = 3,604.90/x
  3. Step 3: Cross multiply
    7,302.10x = 10,953.15 × 3,604.90
  4. Step 4: Simplify right side
    7,302.10x = 39,485,010.44
  5. Step 5: Solve for x
    x = 39,485,010.44/7,302.10
  6. Step 6: Final answer
    x = 5,407.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.