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Finding the Fourth Proportional to 68,842.32, 95,033.88 and 52,921.20

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Solution

The fourth proportional to 68,842.32, 95,033.88 and 52,921.20 is: 73,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842.32 : 95,033.88 = 52,921.20 : x
  2. Step 2: Convert to fraction form
    68,842.32/95,033.88 = 52,921.20/x
  3. Step 3: Cross multiply
    68,842.32x = 95,033.88 × 52,921.20
  4. Step 4: Simplify right side
    68,842.32x = 5,029,306,970.26
  5. Step 5: Solve for x
    x = 5,029,306,970.26/68,842.32
  6. Step 6: Final answer
    x = 73,055.45

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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.