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Finding the Fourth Proportional to 54,750.32, 75,588 and 35,920.32

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Solution

The fourth proportional to 54,750.32, 75,588 and 35,920.32 is: 49,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.32 : 75,588 = 35,920.32 : x
  2. Step 2: Convert to fraction form
    54,750.32/75,588 = 35,920.32/x
  3. Step 3: Cross multiply
    54,750.32x = 75,588 × 35,920.32
  4. Step 4: Simplify right side
    54,750.32x = 2,715,145,148.16
  5. Step 5: Solve for x
    x = 2,715,145,148.16/54,750.32
  6. Step 6: Final answer
    x = 49,591.40

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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.