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Finding the Fourth Proportional to 86,400.60, 129,600.90 and 24,071.10

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Solution

The fourth proportional to 86,400.60, 129,600.90 and 24,071.10 is: 36,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,400.60 : 129,600.90 = 24,071.10 : x
  2. Step 2: Convert to fraction form
    86,400.60/129,600.90 = 24,071.10/x
  3. Step 3: Cross multiply
    86,400.60x = 129,600.90 × 24,071.10
  4. Step 4: Simplify right side
    86,400.60x = 3,119,636,223.99
  5. Step 5: Solve for x
    x = 3,119,636,223.99/86,400.60
  6. Step 6: Final answer
    x = 36,106.65

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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.