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Finding the Fourth Proportional to 6,572.74, 9,898.48 and 5,539.18

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Solution

The fourth proportional to 6,572.74, 9,898.48 and 5,539.18 is: 8,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.74 : 9,898.48 = 5,539.18 : x
  2. Step 2: Convert to fraction form
    6,572.74/9,898.48 = 5,539.18/x
  3. Step 3: Cross multiply
    6,572.74x = 9,898.48 × 5,539.18
  4. Step 4: Simplify right side
    6,572.74x = 54,829,462.45
  5. Step 5: Solve for x
    x = 54,829,462.45/6,572.74
  6. Step 6: Final answer
    x = 8,341.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.