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Finding the Fourth Proportional to 19,700.70, 29,544.93 and 6,549.90

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Solution

The fourth proportional to 19,700.70, 29,544.93 and 6,549.90 is: 9,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.70 : 29,544.93 = 6,549.90 : x
  2. Step 2: Convert to fraction form
    19,700.70/29,544.93 = 6,549.90/x
  3. Step 3: Cross multiply
    19,700.70x = 29,544.93 × 6,549.90
  4. Step 4: Simplify right side
    19,700.70x = 193,516,337.01
  5. Step 5: Solve for x
    x = 193,516,337.01/19,700.70
  6. Step 6: Final answer
    x = 9,822.82

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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.