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Finding the Fourth Proportional to 57,632.40, 79,530.84 and 35,276.40

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Solution

The fourth proportional to 57,632.40, 79,530.84 and 35,276.40 is: 48,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.40 : 79,530.84 = 35,276.40 : x
  2. Step 2: Convert to fraction form
    57,632.40/79,530.84 = 35,276.40/x
  3. Step 3: Cross multiply
    57,632.40x = 79,530.84 × 35,276.40
  4. Step 4: Simplify right side
    57,632.40x = 2,805,561,724.18
  5. Step 5: Solve for x
    x = 2,805,561,724.18/57,632.40
  6. Step 6: Final answer
    x = 48,680.29

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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.