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Finding the Fourth Proportional to 52,543.89, 78,813.63 and 24,454.28

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Solution

The fourth proportional to 52,543.89, 78,813.63 and 24,454.28 is: 36,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.89 : 78,813.63 = 24,454.28 : x
  2. Step 2: Convert to fraction form
    52,543.89/78,813.63 = 24,454.28/x
  3. Step 3: Cross multiply
    52,543.89x = 78,813.63 × 24,454.28
  4. Step 4: Simplify right side
    52,543.89x = 1,927,330,772.87
  5. Step 5: Solve for x
    x = 1,927,330,772.87/52,543.89
  6. Step 6: Final answer
    x = 36,680.40

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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.