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Finding the Fourth Proportional to 70,060.80, 96,682.08 and 38,230.08

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Solution

The fourth proportional to 70,060.80, 96,682.08 and 38,230.08 is: 52,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060.80 : 96,682.08 = 38,230.08 : x
  2. Step 2: Convert to fraction form
    70,060.80/96,682.08 = 38,230.08/x
  3. Step 3: Cross multiply
    70,060.80x = 96,682.08 × 38,230.08
  4. Step 4: Simplify right side
    70,060.80x = 3,696,163,652.97
  5. Step 5: Solve for x
    x = 3,696,163,652.97/70,060.80
  6. Step 6: Final answer
    x = 52,756.52

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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.