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Finding the Fourth Proportional to 65,075.00, 89,793.97 and 38,226.20

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Solution

The fourth proportional to 65,075.00, 89,793.97 and 38,226.20 is: 52,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,075.00 : 89,793.97 = 38,226.20 : x
  2. Step 2: Convert to fraction form
    65,075.00/89,793.97 = 38,226.20/x
  3. Step 3: Cross multiply
    65,075.00x = 89,793.97 × 38,226.20
  4. Step 4: Simplify right side
    65,075.00x = 3,432,481,711.48
  5. Step 5: Solve for x
    x = 3,432,481,711.48/65,075.00
  6. Step 6: Final answer
    x = 52,746.55

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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.