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Finding the Fourth Proportional to 53,886.16, 80,833.98 and 16,454.68

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Solution

The fourth proportional to 53,886.16, 80,833.98 and 16,454.68 is: 24,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.16 : 80,833.98 = 16,454.68 : x
  2. Step 2: Convert to fraction form
    53,886.16/80,833.98 = 16,454.68/x
  3. Step 3: Cross multiply
    53,886.16x = 80,833.98 × 16,454.68
  4. Step 4: Simplify right side
    53,886.16x = 1,330,097,274.03
  5. Step 5: Solve for x
    x = 1,330,097,274.03/53,886.16
  6. Step 6: Final answer
    x = 24,683.47

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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.