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Finding the Fourth Proportional to 7,573.95, 11,358.17 and 2,642.19

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Solution

The fourth proportional to 7,573.95, 11,358.17 and 2,642.19 is: 3,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.95 : 11,358.17 = 2,642.19 : x
  2. Step 2: Convert to fraction form
    7,573.95/11,358.17 = 2,642.19/x
  3. Step 3: Cross multiply
    7,573.95x = 11,358.17 × 2,642.19
  4. Step 4: Simplify right side
    7,573.95x = 30,010,429.98
  5. Step 5: Solve for x
    x = 30,010,429.98/7,573.95
  6. Step 6: Final answer
    x = 3,962.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.