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Finding the Fourth Proportional to 52,401.16, 72,313.16 and 28,527.78

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Solution

The fourth proportional to 52,401.16, 72,313.16 and 28,527.78 is: 39,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.16 : 72,313.16 = 28,527.78 : x
  2. Step 2: Convert to fraction form
    52,401.16/72,313.16 = 28,527.78/x
  3. Step 3: Cross multiply
    52,401.16x = 72,313.16 × 28,527.78
  4. Step 4: Simplify right side
    52,401.16x = 2,062,933,919.58
  5. Step 5: Solve for x
    x = 2,062,933,919.58/52,401.16
  6. Step 6: Final answer
    x = 39,368.10

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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.