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Finding the Fourth Proportional to 61,897.93, 92,695.47 and 55,907.46

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Solution

The fourth proportional to 61,897.93, 92,695.47 and 55,907.46 is: 83,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.93 : 92,695.47 = 55,907.46 : x
  2. Step 2: Convert to fraction form
    61,897.93/92,695.47 = 55,907.46/x
  3. Step 3: Cross multiply
    61,897.93x = 92,695.47 × 55,907.46
  4. Step 4: Simplify right side
    61,897.93x = 5,182,368,838.47
  5. Step 5: Solve for x
    x = 5,182,368,838.47/61,897.93
  6. Step 6: Final answer
    x = 83,724.43

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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.