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Finding the Fourth Proportional to 23,006.60, 34,509.90 and 14,712.20

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Solution

The fourth proportional to 23,006.60, 34,509.90 and 14,712.20 is: 22,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,006.60 : 34,509.90 = 14,712.20 : x
  2. Step 2: Convert to fraction form
    23,006.60/34,509.90 = 14,712.20/x
  3. Step 3: Cross multiply
    23,006.60x = 34,509.90 × 14,712.20
  4. Step 4: Simplify right side
    23,006.60x = 507,716,550.78
  5. Step 5: Solve for x
    x = 507,716,550.78/23,006.60
  6. Step 6: Final answer
    x = 22,068.30

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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.