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Finding the Fourth Proportional to 70,167.88, 96,826.62 and 38,330.02

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Solution

The fourth proportional to 70,167.88, 96,826.62 and 38,330.02 is: 52,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167.88 : 96,826.62 = 38,330.02 : x
  2. Step 2: Convert to fraction form
    70,167.88/96,826.62 = 38,330.02/x
  3. Step 3: Cross multiply
    70,167.88x = 96,826.62 × 38,330.02
  4. Step 4: Simplify right side
    70,167.88x = 3,711,366,281.13
  5. Step 5: Solve for x
    x = 3,711,366,281.13/70,167.88
  6. Step 6: Final answer
    x = 52,892.67

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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.