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Finding the Fourth Proportional to 56,007.88, 83,862.78 and 49,365.16

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Solution

The fourth proportional to 56,007.88, 83,862.78 and 49,365.16 is: 73,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,007.88 : 83,862.78 = 49,365.16 : x
  2. Step 2: Convert to fraction form
    56,007.88/83,862.78 = 49,365.16/x
  3. Step 3: Cross multiply
    56,007.88x = 83,862.78 × 49,365.16
  4. Step 4: Simplify right side
    56,007.88x = 4,139,899,552.74
  5. Step 5: Solve for x
    x = 4,139,899,552.74/56,007.88
  6. Step 6: Final answer
    x = 73,916.38

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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.