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Finding the Fourth Proportional to 70,073.59, 96,806.87 and 45,931.86

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Solution

The fourth proportional to 70,073.59, 96,806.87 and 45,931.86 is: 63,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,073.59 : 96,806.87 = 45,931.86 : x
  2. Step 2: Convert to fraction form
    70,073.59/96,806.87 = 45,931.86/x
  3. Step 3: Cross multiply
    70,073.59x = 96,806.87 × 45,931.86
  4. Step 4: Simplify right side
    70,073.59x = 4,446,519,599.88
  5. Step 5: Solve for x
    x = 4,446,519,599.88/70,073.59
  6. Step 6: Final answer
    x = 63,455.00

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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.