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Finding the Fourth Proportional to 53,838.54, 80,752.86 and 14,394.24

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Solution

The fourth proportional to 53,838.54, 80,752.86 and 14,394.24 is: 21,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.54 : 80,752.86 = 14,394.24 : x
  2. Step 2: Convert to fraction form
    53,838.54/80,752.86 = 14,394.24/x
  3. Step 3: Cross multiply
    53,838.54x = 80,752.86 × 14,394.24
  4. Step 4: Simplify right side
    53,838.54x = 1,162,376,047.53
  5. Step 5: Solve for x
    x = 1,162,376,047.53/53,838.54
  6. Step 6: Final answer
    x = 21,590.04

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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.