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Finding the Fourth Proportional to 61,070.56, 91,470.49 and 46,926.47

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Solution

The fourth proportional to 61,070.56, 91,470.49 and 46,926.47 is: 70,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070.56 : 91,470.49 = 46,926.47 : x
  2. Step 2: Convert to fraction form
    61,070.56/91,470.49 = 46,926.47/x
  3. Step 3: Cross multiply
    61,070.56x = 91,470.49 × 46,926.47
  4. Step 4: Simplify right side
    61,070.56x = 4,292,387,204.87
  5. Step 5: Solve for x
    x = 4,292,387,204.87/61,070.56
  6. Step 6: Final answer
    x = 70,285.71

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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.