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Finding the Fourth Proportional to 70,473.88, 97,255.92 and 38,644.93

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Solution

The fourth proportional to 70,473.88, 97,255.92 and 38,644.93 is: 53,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,473.88 : 97,255.92 = 38,644.93 : x
  2. Step 2: Convert to fraction form
    70,473.88/97,255.92 = 38,644.93/x
  3. Step 3: Cross multiply
    70,473.88x = 97,255.92 × 38,644.93
  4. Step 4: Simplify right side
    70,473.88x = 3,758,448,220.49
  5. Step 5: Solve for x
    x = 3,758,448,220.49/70,473.88
  6. Step 6: Final answer
    x = 53,331.08

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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.