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Finding the Fourth Proportional to 70,356.64, 97,092.32 and 38,091.59

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Solution

The fourth proportional to 70,356.64, 97,092.32 and 38,091.59 is: 52,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,356.64 : 97,092.32 = 38,091.59 : x
  2. Step 2: Convert to fraction form
    70,356.64/97,092.32 = 38,091.59/x
  3. Step 3: Cross multiply
    70,356.64x = 97,092.32 × 38,091.59
  4. Step 4: Simplify right side
    70,356.64x = 3,698,400,897.86
  5. Step 5: Solve for x
    x = 3,698,400,897.86/70,356.64
  6. Step 6: Final answer
    x = 52,566.48

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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.