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Finding the Fourth Proportional to 22,035.52, 30,385.76 and 15,655.46

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Solution

The fourth proportional to 22,035.52, 30,385.76 and 15,655.46 is: 21,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.52 : 30,385.76 = 15,655.46 : x
  2. Step 2: Convert to fraction form
    22,035.52/30,385.76 = 15,655.46/x
  3. Step 3: Cross multiply
    22,035.52x = 30,385.76 × 15,655.46
  4. Step 4: Simplify right side
    22,035.52x = 475,702,898.32
  5. Step 5: Solve for x
    x = 475,702,898.32/22,035.52
  6. Step 6: Final answer
    x = 21,588.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.