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Finding the Fourth Proportional to 26,543.52, 39,820.08 and 9,011.76

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Solution

The fourth proportional to 26,543.52, 39,820.08 and 9,011.76 is: 13,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.52 : 39,820.08 = 9,011.76 : x
  2. Step 2: Convert to fraction form
    26,543.52/39,820.08 = 9,011.76/x
  3. Step 3: Cross multiply
    26,543.52x = 39,820.08 × 9,011.76
  4. Step 4: Simplify right side
    26,543.52x = 358,849,004.14
  5. Step 5: Solve for x
    x = 358,849,004.14/26,543.52
  6. Step 6: Final answer
    x = 13,519.27

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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.