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Finding the Fourth Proportional to 48,653.40, 72,864.90 and 32,986.20

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Solution

The fourth proportional to 48,653.40, 72,864.90 and 32,986.20 is: 49,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.40 : 72,864.90 = 32,986.20 : x
  2. Step 2: Convert to fraction form
    48,653.40/72,864.90 = 32,986.20/x
  3. Step 3: Cross multiply
    48,653.40x = 72,864.90 × 32,986.20
  4. Step 4: Simplify right side
    48,653.40x = 2,403,536,164.38
  5. Step 5: Solve for x
    x = 2,403,536,164.38/48,653.40
  6. Step 6: Final answer
    x = 49,401.20

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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.