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Finding the Fourth Proportional to 6,605.30, 9,098.79 and 5,030.66

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Solution

The fourth proportional to 6,605.30, 9,098.79 and 5,030.66 is: 6,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.30 : 9,098.79 = 5,030.66 : x
  2. Step 2: Convert to fraction form
    6,605.30/9,098.79 = 5,030.66/x
  3. Step 3: Cross multiply
    6,605.30x = 9,098.79 × 5,030.66
  4. Step 4: Simplify right side
    6,605.30x = 45,772,918.90
  5. Step 5: Solve for x
    x = 45,772,918.90/6,605.30
  6. Step 6: Final answer
    x = 6,929.73

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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.