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Finding the Fourth Proportional to 40,154.40, 60,230.39 and 10,572.39

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Solution

The fourth proportional to 40,154.40, 60,230.39 and 10,572.39 is: 15,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.40 : 60,230.39 = 10,572.39 : x
  2. Step 2: Convert to fraction form
    40,154.40/60,230.39 = 10,572.39/x
  3. Step 3: Cross multiply
    40,154.40x = 60,230.39 × 10,572.39
  4. Step 4: Simplify right side
    40,154.40x = 636,779,120.07
  5. Step 5: Solve for x
    x = 636,779,120.07/40,154.40
  6. Step 6: Final answer
    x = 15,858.27

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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.