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Finding the Fourth Proportional to 68,030.93, 93,875.87 and 39,348.42

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Solution

The fourth proportional to 68,030.93, 93,875.87 and 39,348.42 is: 54,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,030.93 : 93,875.87 = 39,348.42 : x
  2. Step 2: Convert to fraction form
    68,030.93/93,875.87 = 39,348.42/x
  3. Step 3: Cross multiply
    68,030.93x = 93,875.87 × 39,348.42
  4. Step 4: Simplify right side
    68,030.93x = 3,693,866,963.88
  5. Step 5: Solve for x
    x = 3,693,866,963.88/68,030.93
  6. Step 6: Final answer
    x = 54,296.88

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1.5x scale

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.