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Finding the Fourth Proportional to 40,008.60, 60,006.60 and 25,172.10

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Solution

The fourth proportional to 40,008.60, 60,006.60 and 25,172.10 is: 37,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.60 : 60,006.60 = 25,172.10 : x
  2. Step 2: Convert to fraction form
    40,008.60/60,006.60 = 25,172.10/x
  3. Step 3: Cross multiply
    40,008.60x = 60,006.60 × 25,172.10
  4. Step 4: Simplify right side
    40,008.60x = 1,510,492,135.86
  5. Step 5: Solve for x
    x = 1,510,492,135.86/40,008.60
  6. Step 6: Final answer
    x = 37,754.19

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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.