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Finding the Fourth Proportional to 6,805.58, 9,392.55 and 4,153.10

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Solution

The fourth proportional to 6,805.58, 9,392.55 and 4,153.10 is: 5,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.58 : 9,392.55 = 4,153.10 : x
  2. Step 2: Convert to fraction form
    6,805.58/9,392.55 = 4,153.10/x
  3. Step 3: Cross multiply
    6,805.58x = 9,392.55 × 4,153.10
  4. Step 4: Simplify right side
    6,805.58x = 39,008,199.41
  5. Step 5: Solve for x
    x = 39,008,199.41/6,805.58
  6. Step 6: Final answer
    x = 5,731.80

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.