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Finding the Fourth Proportional to 32,507.40, 48,761.10 and 30,320.40

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Solution

The fourth proportional to 32,507.40, 48,761.10 and 30,320.40 is: 45,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,507.40 : 48,761.10 = 30,320.40 : x
  2. Step 2: Convert to fraction form
    32,507.40/48,761.10 = 30,320.40/x
  3. Step 3: Cross multiply
    32,507.40x = 48,761.10 × 30,320.40
  4. Step 4: Simplify right side
    32,507.40x = 1,478,456,056.44
  5. Step 5: Solve for x
    x = 1,478,456,056.44/32,507.40
  6. Step 6: Final answer
    x = 45,480.60

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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.