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Finding the Fourth Proportional to 70,100.28, 96,737.04 and 38,269.38

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Solution

The fourth proportional to 70,100.28, 96,737.04 and 38,269.38 is: 52,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,100.28 : 96,737.04 = 38,269.38 : x
  2. Step 2: Convert to fraction form
    70,100.28/96,737.04 = 38,269.38/x
  3. Step 3: Cross multiply
    70,100.28x = 96,737.04 × 38,269.38
  4. Step 4: Simplify right side
    70,100.28x = 3,702,066,543.84
  5. Step 5: Solve for x
    x = 3,702,066,543.84/70,100.28
  6. Step 6: Final answer
    x = 52,811.01

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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.