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Finding the Fourth Proportional to 67,470.51, 93,097.04 and 47,388.75

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Solution

The fourth proportional to 67,470.51, 93,097.04 and 47,388.75 is: 65,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470.51 : 93,097.04 = 47,388.75 : x
  2. Step 2: Convert to fraction form
    67,470.51/93,097.04 = 47,388.75/x
  3. Step 3: Cross multiply
    67,470.51x = 93,097.04 × 47,388.75
  4. Step 4: Simplify right side
    67,470.51x = 4,411,752,117.36
  5. Step 5: Solve for x
    x = 4,411,752,117.36/67,470.51
  6. Step 6: Final answer
    x = 65,387.86

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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.