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Finding the Fourth Proportional to 26,574.76, 39,866.46 and 9,042.76

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Solution

The fourth proportional to 26,574.76, 39,866.46 and 9,042.76 is: 13,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,574.76 : 39,866.46 = 9,042.76 : x
  2. Step 2: Convert to fraction form
    26,574.76/39,866.46 = 9,042.76/x
  3. Step 3: Cross multiply
    26,574.76x = 39,866.46 × 9,042.76
  4. Step 4: Simplify right side
    26,574.76x = 360,502,829.83
  5. Step 5: Solve for x
    x = 360,502,829.83/26,574.76
  6. Step 6: Final answer
    x = 13,565.61

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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.