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Finding the Fourth Proportional to 15,206.70, 22,810.05 and 9,374.70

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Solution

The fourth proportional to 15,206.70, 22,810.05 and 9,374.70 is: 14,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.70 : 22,810.05 = 9,374.70 : x
  2. Step 2: Convert to fraction form
    15,206.70/22,810.05 = 9,374.70/x
  3. Step 3: Cross multiply
    15,206.70x = 22,810.05 × 9,374.70
  4. Step 4: Simplify right side
    15,206.70x = 213,837,375.74
  5. Step 5: Solve for x
    x = 213,837,375.74/15,206.70
  6. Step 6: Final answer
    x = 14,062.05

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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.