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Finding the Fourth Proportional to 48,984.80, 73,475.80 and 13,924.40

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Solution

The fourth proportional to 48,984.80, 73,475.80 and 13,924.40 is: 20,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,984.80 : 73,475.80 = 13,924.40 : x
  2. Step 2: Convert to fraction form
    48,984.80/73,475.80 = 13,924.40/x
  3. Step 3: Cross multiply
    48,984.80x = 73,475.80 × 13,924.40
  4. Step 4: Simplify right side
    48,984.80x = 1,023,106,429.52
  5. Step 5: Solve for x
    x = 1,023,106,429.52/48,984.80
  6. Step 6: Final answer
    x = 20,886.20

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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.