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Finding the Fourth Proportional to 53,895.84, 80,856.48 and 16,959.84

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Solution

The fourth proportional to 53,895.84, 80,856.48 and 16,959.84 is: 25,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.84 : 80,856.48 = 16,959.84 : x
  2. Step 2: Convert to fraction form
    53,895.84/80,856.48 = 16,959.84/x
  3. Step 3: Cross multiply
    53,895.84x = 80,856.48 × 16,959.84
  4. Step 4: Simplify right side
    53,895.84x = 1,371,312,963.76
  5. Step 5: Solve for x
    x = 1,371,312,963.76/53,895.84
  6. Step 6: Final answer
    x = 25,443.76

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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.