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Finding the Fourth Proportional to 70,064.80, 96,687.60 and 38,234.08

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Solution

The fourth proportional to 70,064.80, 96,687.60 and 38,234.08 is: 52,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,064.80 : 96,687.60 = 38,234.08 : x
  2. Step 2: Convert to fraction form
    70,064.80/96,687.60 = 38,234.08/x
  3. Step 3: Cross multiply
    70,064.80x = 96,687.60 × 38,234.08
  4. Step 4: Simplify right side
    70,064.80x = 3,696,761,433.41
  5. Step 5: Solve for x
    x = 3,696,761,433.41/70,064.80
  6. Step 6: Final answer
    x = 52,762.04

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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.