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Finding the Fourth Proportional to 40,155.04, 60,232.02 and 12,453.04

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Solution

The fourth proportional to 40,155.04, 60,232.02 and 12,453.04 is: 18,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.04 : 60,232.02 = 12,453.04 : x
  2. Step 2: Convert to fraction form
    40,155.04/60,232.02 = 12,453.04/x
  3. Step 3: Cross multiply
    40,155.04x = 60,232.02 × 12,453.04
  4. Step 4: Simplify right side
    40,155.04x = 750,071,754.34
  5. Step 5: Solve for x
    x = 750,071,754.34/40,155.04
  6. Step 6: Final answer
    x = 18,679.39

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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.