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Finding the Fourth Proportional to 61,292.81, 84,564.64 and 37,407.53

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Solution

The fourth proportional to 61,292.81, 84,564.64 and 37,407.53 is: 51,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.81 : 84,564.64 = 37,407.53 : x
  2. Step 2: Convert to fraction form
    61,292.81/84,564.64 = 37,407.53/x
  3. Step 3: Cross multiply
    61,292.81x = 84,564.64 × 37,407.53
  4. Step 4: Simplify right side
    61,292.81x = 3,163,354,565.91
  5. Step 5: Solve for x
    x = 3,163,354,565.91/61,292.81
  6. Step 6: Final answer
    x = 51,610.53

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Why These Related Problems?

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