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Finding the Fourth Proportional to 70,573.59, 97,391.16 and 38,308.86

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Solution

The fourth proportional to 70,573.59, 97,391.16 and 38,308.86 is: 52,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,573.59 : 97,391.16 = 38,308.86 : x
  2. Step 2: Convert to fraction form
    70,573.59/97,391.16 = 38,308.86/x
  3. Step 3: Cross multiply
    70,573.59x = 97,391.16 × 38,308.86
  4. Step 4: Simplify right side
    70,573.59x = 3,730,944,313.68
  5. Step 5: Solve for x
    x = 3,730,944,313.68/70,573.59
  6. Step 6: Final answer
    x = 52,866.01

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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.