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Finding the Fourth Proportional to 7,252.65, 10,001.05 and 5,368.18

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Solution

The fourth proportional to 7,252.65, 10,001.05 and 5,368.18 is: 7,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.65 : 10,001.05 = 5,368.18 : x
  2. Step 2: Convert to fraction form
    7,252.65/10,001.05 = 5,368.18/x
  3. Step 3: Cross multiply
    7,252.65x = 10,001.05 × 5,368.18
  4. Step 4: Simplify right side
    7,252.65x = 53,687,484.62
  5. Step 5: Solve for x
    x = 53,687,484.62/7,252.65
  6. Step 6: Final answer
    x = 7,402.47

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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.