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Finding the Fourth Proportional to 15,602.80, 23,404.20 and 14,800.90

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Solution

The fourth proportional to 15,602.80, 23,404.20 and 14,800.90 is: 22,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.80 : 23,404.20 = 14,800.90 : x
  2. Step 2: Convert to fraction form
    15,602.80/23,404.20 = 14,800.90/x
  3. Step 3: Cross multiply
    15,602.80x = 23,404.20 × 14,800.90
  4. Step 4: Simplify right side
    15,602.80x = 346,403,223.78
  5. Step 5: Solve for x
    x = 346,403,223.78/15,602.80
  6. Step 6: Final answer
    x = 22,201.35

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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.