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Finding the Fourth Proportional to 6,700.80, 9,248.04 and 5,580.12

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Solution

The fourth proportional to 6,700.80, 9,248.04 and 5,580.12 is: 7,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.80 : 9,248.04 = 5,580.12 : x
  2. Step 2: Convert to fraction form
    6,700.80/9,248.04 = 5,580.12/x
  3. Step 3: Cross multiply
    6,700.80x = 9,248.04 × 5,580.12
  4. Step 4: Simplify right side
    6,700.80x = 51,605,172.96
  5. Step 5: Solve for x
    x = 51,605,172.96/6,700.80
  6. Step 6: Final answer
    x = 7,701.35

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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.