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Finding the Fourth Proportional to 9,877.80, 14,817.24 and 3,550.08

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Solution

The fourth proportional to 9,877.80, 14,817.24 and 3,550.08 is: 5,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.80 : 14,817.24 = 3,550.08 : x
  2. Step 2: Convert to fraction form
    9,877.80/14,817.24 = 3,550.08/x
  3. Step 3: Cross multiply
    9,877.80x = 14,817.24 × 3,550.08
  4. Step 4: Simplify right side
    9,877.80x = 52,602,387.38
  5. Step 5: Solve for x
    x = 52,602,387.38/9,877.80
  6. Step 6: Final answer
    x = 5,325.31

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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.