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Finding the Fourth Proportional to 15,223.80, 22,798.79 and 10,530.64

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Solution

The fourth proportional to 15,223.80, 22,798.79 and 10,530.64 is: 15,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.80 : 22,798.79 = 10,530.64 : x
  2. Step 2: Convert to fraction form
    15,223.80/22,798.79 = 10,530.64/x
  3. Step 3: Cross multiply
    15,223.80x = 22,798.79 × 10,530.64
  4. Step 4: Simplify right side
    15,223.80x = 240,085,849.93
  5. Step 5: Solve for x
    x = 240,085,849.93/15,223.80
  6. Step 6: Final answer
    x = 15,770.43

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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.