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Finding the Fourth Proportional to 52,401.68, 72,385.08 and 41,865.20

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Solution

The fourth proportional to 52,401.68, 72,385.08 and 41,865.20 is: 57,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.68 : 72,385.08 = 41,865.20 : x
  2. Step 2: Convert to fraction form
    52,401.68/72,385.08 = 41,865.20/x
  3. Step 3: Cross multiply
    52,401.68x = 72,385.08 × 41,865.20
  4. Step 4: Simplify right side
    52,401.68x = 3,030,415,851.22
  5. Step 5: Solve for x
    x = 3,030,415,851.22/52,401.68
  6. Step 6: Final answer
    x = 57,830.51

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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.