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Finding the Fourth Proportional to 38,888.40, 58,332.60 and 36,944.40

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Solution

The fourth proportional to 38,888.40, 58,332.60 and 36,944.40 is: 55,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.40 : 58,332.60 = 36,944.40 : x
  2. Step 2: Convert to fraction form
    38,888.40/58,332.60 = 36,944.40/x
  3. Step 3: Cross multiply
    38,888.40x = 58,332.60 × 36,944.40
  4. Step 4: Simplify right side
    38,888.40x = 2,155,062,907.44
  5. Step 5: Solve for x
    x = 2,155,062,907.44/38,888.40
  6. Step 6: Final answer
    x = 55,416.60

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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.