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Finding the Fourth Proportional to 70,657.62, 97,502.76 and 38,825.82

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Solution

The fourth proportional to 70,657.62, 97,502.76 and 38,825.82 is: 53,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,657.62 : 97,502.76 = 38,825.82 : x
  2. Step 2: Convert to fraction form
    70,657.62/97,502.76 = 38,825.82/x
  3. Step 3: Cross multiply
    70,657.62x = 97,502.76 × 38,825.82
  4. Step 4: Simplify right side
    70,657.62x = 3,785,624,609.26
  5. Step 5: Solve for x
    x = 3,785,624,609.26/70,657.62
  6. Step 6: Final answer
    x = 53,577.02

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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.