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Finding the Fourth Proportional to 38,883.20, 52,509.60 and 38,883.20

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Solution

The fourth proportional to 38,883.20, 52,509.60 and 38,883.20 is: 52,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.20 : 52,509.60 = 38,883.20 : x
  2. Step 2: Convert to fraction form
    38,883.20/52,509.60 = 38,883.20/x
  3. Step 3: Cross multiply
    38,883.20x = 52,509.60 × 38,883.20
  4. Step 4: Simplify right side
    38,883.20x = 2,041,741,278.72
  5. Step 5: Solve for x
    x = 2,041,741,278.72/38,883.20
  6. Step 6: Final answer
    x = 52,509.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.