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Finding the Fourth Proportional to 70,500.58, 97,295.92 and 40,285.20

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Solution

The fourth proportional to 70,500.58, 97,295.92 and 40,285.20 is: 55,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,500.58 : 97,295.92 = 40,285.20 : x
  2. Step 2: Convert to fraction form
    70,500.58/97,295.92 = 40,285.20/x
  3. Step 3: Cross multiply
    70,500.58x = 97,295.92 × 40,285.20
  4. Step 4: Simplify right side
    70,500.58x = 3,919,585,596.38
  5. Step 5: Solve for x
    x = 3,919,585,596.38/70,500.58
  6. Step 6: Final answer
    x = 55,596.50

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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.