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Finding the Fourth Proportional to 70,463.84, 97,241.04 and 38,632.66

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Solution

The fourth proportional to 70,463.84, 97,241.04 and 38,632.66 is: 53,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,463.84 : 97,241.04 = 38,632.66 : x
  2. Step 2: Convert to fraction form
    70,463.84/97,241.04 = 38,632.66/x
  3. Step 3: Cross multiply
    70,463.84x = 97,241.04 × 38,632.66
  4. Step 4: Simplify right side
    70,463.84x = 3,756,679,793.26
  5. Step 5: Solve for x
    x = 3,756,679,793.26/70,463.84
  6. Step 6: Final answer
    x = 53,313.59

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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.