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Finding the Fourth Proportional to 73,952.20, 110,928.30 and 21,363.40

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Solution

The fourth proportional to 73,952.20, 110,928.30 and 21,363.40 is: 32,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,952.20 : 110,928.30 = 21,363.40 : x
  2. Step 2: Convert to fraction form
    73,952.20/110,928.30 = 21,363.40/x
  3. Step 3: Cross multiply
    73,952.20x = 110,928.30 × 21,363.40
  4. Step 4: Simplify right side
    73,952.20x = 2,369,805,644.22
  5. Step 5: Solve for x
    x = 2,369,805,644.22/73,952.20
  6. Step 6: Final answer
    x = 32,045.10

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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.