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Finding the Fourth Proportional to 53,546.48, 80,320.28 and 21,948.48

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Solution

The fourth proportional to 53,546.48, 80,320.28 and 21,948.48 is: 32,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,546.48 : 80,320.28 = 21,948.48 : x
  2. Step 2: Convert to fraction form
    53,546.48/80,320.28 = 21,948.48/x
  3. Step 3: Cross multiply
    53,546.48x = 80,320.28 × 21,948.48
  4. Step 4: Simplify right side
    53,546.48x = 1,762,908,059.17
  5. Step 5: Solve for x
    x = 1,762,908,059.17/53,546.48
  6. Step 6: Final answer
    x = 32,922.95

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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.