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Finding the Fourth Proportional to 7,197.55, 9,932.61 and 4,053.76

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Solution

The fourth proportional to 7,197.55, 9,932.61 and 4,053.76 is: 5,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.55 : 9,932.61 = 4,053.76 : x
  2. Step 2: Convert to fraction form
    7,197.55/9,932.61 = 4,053.76/x
  3. Step 3: Cross multiply
    7,197.55x = 9,932.61 × 4,053.76
  4. Step 4: Simplify right side
    7,197.55x = 40,264,417.11
  5. Step 5: Solve for x
    x = 40,264,417.11/7,197.55
  6. Step 6: Final answer
    x = 5,594.18

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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.