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Finding the Fourth Proportional to 68,013.51, 93,856.40 and 37,386.71

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Solution

The fourth proportional to 68,013.51, 93,856.40 and 37,386.71 is: 51,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.51 : 93,856.40 = 37,386.71 : x
  2. Step 2: Convert to fraction form
    68,013.51/93,856.40 = 37,386.71/x
  3. Step 3: Cross multiply
    68,013.51x = 93,856.40 × 37,386.71
  4. Step 4: Simplify right side
    68,013.51x = 3,508,982,008.44
  5. Step 5: Solve for x
    x = 3,508,982,008.44/68,013.51
  6. Step 6: Final answer
    x = 51,592.43

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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.