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Finding the Fourth Proportional to 68,010.32, 101,929.04 and 38,444.72

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Solution

The fourth proportional to 68,010.32, 101,929.04 and 38,444.72 is: 57,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.32 : 101,929.04 = 38,444.72 : x
  2. Step 2: Convert to fraction form
    68,010.32/101,929.04 = 38,444.72/x
  3. Step 3: Cross multiply
    68,010.32x = 101,929.04 × 38,444.72
  4. Step 4: Simplify right side
    68,010.32x = 3,918,633,402.67
  5. Step 5: Solve for x
    x = 3,918,633,402.67/68,010.32
  6. Step 6: Final answer
    x = 57,618.22

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1.5x scale

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.