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Finding the Fourth Proportional to 49,959.92, 74,943.12 and 14,903.12

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Solution

The fourth proportional to 49,959.92, 74,943.12 and 14,903.12 is: 22,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.92 : 74,943.12 = 14,903.12 : x
  2. Step 2: Convert to fraction form
    49,959.92/74,943.12 = 14,903.12/x
  3. Step 3: Cross multiply
    49,959.92x = 74,943.12 × 14,903.12
  4. Step 4: Simplify right side
    49,959.92x = 1,116,886,310.53
  5. Step 5: Solve for x
    x = 1,116,886,310.53/49,959.92
  6. Step 6: Final answer
    x = 22,355.65

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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.