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Finding the Fourth Proportional to 7,500.65, 10,349.82 and 4,270.19

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Solution

The fourth proportional to 7,500.65, 10,349.82 and 4,270.19 is: 5,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.65 : 10,349.82 = 4,270.19 : x
  2. Step 2: Convert to fraction form
    7,500.65/10,349.82 = 4,270.19/x
  3. Step 3: Cross multiply
    7,500.65x = 10,349.82 × 4,270.19
  4. Step 4: Simplify right side
    7,500.65x = 44,195,646.12
  5. Step 5: Solve for x
    x = 44,195,646.12/7,500.65
  6. Step 6: Final answer
    x = 5,892.25

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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.