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Finding the Fourth Proportional to 14,756.10, 22,134.15 and 9,809.70

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Solution

The fourth proportional to 14,756.10, 22,134.15 and 9,809.70 is: 14,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.10 : 22,134.15 = 9,809.70 : x
  2. Step 2: Convert to fraction form
    14,756.10/22,134.15 = 9,809.70/x
  3. Step 3: Cross multiply
    14,756.10x = 22,134.15 × 9,809.70
  4. Step 4: Simplify right side
    14,756.10x = 217,129,371.26
  5. Step 5: Solve for x
    x = 217,129,371.26/14,756.10
  6. Step 6: Final answer
    x = 14,714.55

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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.