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Finding the Fourth Proportional to 15,011.40, 22,513.67 and 5,652.40

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Solution

The fourth proportional to 15,011.40, 22,513.67 and 5,652.40 is: 8,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.40 : 22,513.67 = 5,652.40 : x
  2. Step 2: Convert to fraction form
    15,011.40/22,513.67 = 5,652.40/x
  3. Step 3: Cross multiply
    15,011.40x = 22,513.67 × 5,652.40
  4. Step 4: Simplify right side
    15,011.40x = 127,256,240.05
  5. Step 5: Solve for x
    x = 127,256,240.05/15,011.40
  6. Step 6: Final answer
    x = 8,477.31

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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.