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Finding the Fourth Proportional to 13,710.03, 20,553.03 and 6,590.71

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Solution

The fourth proportional to 13,710.03, 20,553.03 and 6,590.71 is: 9,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.03 : 20,553.03 = 6,590.71 : x
  2. Step 2: Convert to fraction form
    13,710.03/20,553.03 = 6,590.71/x
  3. Step 3: Cross multiply
    13,710.03x = 20,553.03 × 6,590.71
  4. Step 4: Simplify right side
    13,710.03x = 135,459,060.35
  5. Step 5: Solve for x
    x = 135,459,060.35/13,710.03
  6. Step 6: Final answer
    x = 9,880.29

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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.