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Finding the Fourth Proportional to 27,293.76, 40,929.84 and 10,424.16

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Solution

The fourth proportional to 27,293.76, 40,929.84 and 10,424.16 is: 15,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.76 : 40,929.84 = 10,424.16 : x
  2. Step 2: Convert to fraction form
    27,293.76/40,929.84 = 10,424.16/x
  3. Step 3: Cross multiply
    27,293.76x = 40,929.84 × 10,424.16
  4. Step 4: Simplify right side
    27,293.76x = 426,659,200.93
  5. Step 5: Solve for x
    x = 426,659,200.93/27,293.76
  6. Step 6: Final answer
    x = 15,632.12

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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.