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Finding the Fourth Proportional to 8,332.48, 11,500.80 and 5,020.48

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Solution

The fourth proportional to 8,332.48, 11,500.80 and 5,020.48 is: 6,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.48 : 11,500.80 = 5,020.48 : x
  2. Step 2: Convert to fraction form
    8,332.48/11,500.80 = 5,020.48/x
  3. Step 3: Cross multiply
    8,332.48x = 11,500.80 × 5,020.48
  4. Step 4: Simplify right side
    8,332.48x = 57,739,536.38
  5. Step 5: Solve for x
    x = 57,739,536.38/8,332.48
  6. Step 6: Final answer
    x = 6,929.45

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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.