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Finding the Fourth Proportional to 23,675.40, 35,513.10 and 19,520.10

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Solution

The fourth proportional to 23,675.40, 35,513.10 and 19,520.10 is: 29,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,675.40 : 35,513.10 = 19,520.10 : x
  2. Step 2: Convert to fraction form
    23,675.40/35,513.10 = 19,520.10/x
  3. Step 3: Cross multiply
    23,675.40x = 35,513.10 × 19,520.10
  4. Step 4: Simplify right side
    23,675.40x = 693,219,263.31
  5. Step 5: Solve for x
    x = 693,219,263.31/23,675.40
  6. Step 6: Final answer
    x = 29,280.15

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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.