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Finding the Fourth Proportional to 59,403.94, 89,098.47 and 19,419.57

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Solution

The fourth proportional to 59,403.94, 89,098.47 and 19,419.57 is: 29,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,403.94 : 89,098.47 = 19,419.57 : x
  2. Step 2: Convert to fraction form
    59,403.94/89,098.47 = 19,419.57/x
  3. Step 3: Cross multiply
    59,403.94x = 89,098.47 × 19,419.57
  4. Step 4: Simplify right side
    59,403.94x = 1,730,254,309.18
  5. Step 5: Solve for x
    x = 1,730,254,309.18/59,403.94
  6. Step 6: Final answer
    x = 29,126.93

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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.