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Finding the Fourth Proportional to 70,684.64, 97,545.70 and 38,853.26

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Solution

The fourth proportional to 70,684.64, 97,545.70 and 38,853.26 is: 53,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.64 : 97,545.70 = 38,853.26 : x
  2. Step 2: Convert to fraction form
    70,684.64/97,545.70 = 38,853.26/x
  3. Step 3: Cross multiply
    70,684.64x = 97,545.70 × 38,853.26
  4. Step 4: Simplify right side
    70,684.64x = 3,789,968,443.98
  5. Step 5: Solve for x
    x = 3,789,968,443.98/70,684.64
  6. Step 6: Final answer
    x = 53,617.99

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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.