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Finding the Fourth Proportional to 60,775.97, 91,204.72 and 21,333.20

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Solution

The fourth proportional to 60,775.97, 91,204.72 and 21,333.20 is: 32,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,775.97 : 91,204.72 = 21,333.20 : x
  2. Step 2: Convert to fraction form
    60,775.97/91,204.72 = 21,333.20/x
  3. Step 3: Cross multiply
    60,775.97x = 91,204.72 × 21,333.20
  4. Step 4: Simplify right side
    60,775.97x = 1,945,688,023.35
  5. Step 5: Solve for x
    x = 1,945,688,023.35/60,775.97
  6. Step 6: Final answer
    x = 32,014.10

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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.