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Finding the Fourth Proportional to 27,479.76, 37,927.47 and 16,152.93

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Solution

The fourth proportional to 27,479.76, 37,927.47 and 16,152.93 is: 22,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.76 : 37,927.47 = 16,152.93 : x
  2. Step 2: Convert to fraction form
    27,479.76/37,927.47 = 16,152.93/x
  3. Step 3: Cross multiply
    27,479.76x = 37,927.47 × 16,152.93
  4. Step 4: Simplify right side
    27,479.76x = 612,639,767.99
  5. Step 5: Solve for x
    x = 612,639,767.99/27,479.76
  6. Step 6: Final answer
    x = 22,294.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.