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Finding the Fourth Proportional to 38,798.80, 53,549.32 and 22,882.32

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Solution

The fourth proportional to 38,798.80, 53,549.32 and 22,882.32 is: 31,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,798.80 : 53,549.32 = 22,882.32 : x
  2. Step 2: Convert to fraction form
    38,798.80/53,549.32 = 22,882.32/x
  3. Step 3: Cross multiply
    38,798.80x = 53,549.32 × 22,882.32
  4. Step 4: Simplify right side
    38,798.80x = 1,225,332,676.02
  5. Step 5: Solve for x
    x = 1,225,332,676.02/38,798.80
  6. Step 6: Final answer
    x = 31,581.72

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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.