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Finding the Fourth Proportional to 6,655.90, 9,923.49 and 6,482.76

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Solution

The fourth proportional to 6,655.90, 9,923.49 and 6,482.76 is: 9,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.90 : 9,923.49 = 6,482.76 : x
  2. Step 2: Convert to fraction form
    6,655.90/9,923.49 = 6,482.76/x
  3. Step 3: Cross multiply
    6,655.90x = 9,923.49 × 6,482.76
  4. Step 4: Simplify right side
    6,655.90x = 64,331,604.03
  5. Step 5: Solve for x
    x = 64,331,604.03/6,655.90
  6. Step 6: Final answer
    x = 9,665.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.