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Finding the Fourth Proportional to 61,498.17, 84,828.47 and 38,797.52

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Solution

The fourth proportional to 61,498.17, 84,828.47 and 38,797.52 is: 53,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,498.17 : 84,828.47 = 38,797.52 : x
  2. Step 2: Convert to fraction form
    61,498.17/84,828.47 = 38,797.52/x
  3. Step 3: Cross multiply
    61,498.17x = 84,828.47 × 38,797.52
  4. Step 4: Simplify right side
    61,498.17x = 3,291,133,643.26
  5. Step 5: Solve for x
    x = 3,291,133,643.26/61,498.17
  6. Step 6: Final answer
    x = 53,515.96

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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.