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Finding the Fourth Proportional to 15,309.70, 22,965.10 and 4,217.24

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Solution

The fourth proportional to 15,309.70, 22,965.10 and 4,217.24 is: 6,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.70 : 22,965.10 = 4,217.24 : x
  2. Step 2: Convert to fraction form
    15,309.70/22,965.10 = 4,217.24/x
  3. Step 3: Cross multiply
    15,309.70x = 22,965.10 × 4,217.24
  4. Step 4: Simplify right side
    15,309.70x = 96,849,338.32
  5. Step 5: Solve for x
    x = 96,849,338.32/15,309.70
  6. Step 6: Final answer
    x = 6,326.01

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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.