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Finding the Fourth Proportional to 52,543.42, 72,509.92 and 33,680.54

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Solution

The fourth proportional to 52,543.42, 72,509.92 and 33,680.54 is: 46,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.42 : 72,509.92 = 33,680.54 : x
  2. Step 2: Convert to fraction form
    52,543.42/72,509.92 = 33,680.54/x
  3. Step 3: Cross multiply
    52,543.42x = 72,509.92 × 33,680.54
  4. Step 4: Simplify right side
    52,543.42x = 2,442,173,358.03
  5. Step 5: Solve for x
    x = 2,442,173,358.03/52,543.42
  6. Step 6: Final answer
    x = 46,479.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.