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Finding the Fourth Proportional to 70,614.76, 97,482.82 and 55,458.85

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Solution

The fourth proportional to 70,614.76, 97,482.82 and 55,458.85 is: 76,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.76 : 97,482.82 = 55,458.85 : x
  2. Step 2: Convert to fraction form
    70,614.76/97,482.82 = 55,458.85/x
  3. Step 3: Cross multiply
    70,614.76x = 97,482.82 × 55,458.85
  4. Step 4: Simplify right side
    70,614.76x = 5,406,285,091.96
  5. Step 5: Solve for x
    x = 5,406,285,091.96/70,614.76
  6. Step 6: Final answer
    x = 76,560.27

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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.