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Finding the Fourth Proportional to 6,655.39, 9,980.17 and 2,492.48

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Solution

The fourth proportional to 6,655.39, 9,980.17 and 2,492.48 is: 3,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.39 : 9,980.17 = 2,492.48 : x
  2. Step 2: Convert to fraction form
    6,655.39/9,980.17 = 2,492.48/x
  3. Step 3: Cross multiply
    6,655.39x = 9,980.17 × 2,492.48
  4. Step 4: Simplify right side
    6,655.39x = 24,875,349.42
  5. Step 5: Solve for x
    x = 24,875,349.42/6,655.39
  6. Step 6: Final answer
    x = 3,737.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.