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Finding the Fourth Proportional to 29,045.76, 43,557.12 and 15,206.40

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Solution

The fourth proportional to 29,045.76, 43,557.12 and 15,206.40 is: 22,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.76 : 43,557.12 = 15,206.40 : x
  2. Step 2: Convert to fraction form
    29,045.76/43,557.12 = 15,206.40/x
  3. Step 3: Cross multiply
    29,045.76x = 43,557.12 × 15,206.40
  4. Step 4: Simplify right side
    29,045.76x = 662,346,989.57
  5. Step 5: Solve for x
    x = 662,346,989.57/29,045.76
  6. Step 6: Final answer
    x = 22,803.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.