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Finding the Fourth Proportional to 64,680.95, 97,021.85 and 22,560.87

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Solution

The fourth proportional to 64,680.95, 97,021.85 and 22,560.87 is: 33,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.95 : 97,021.85 = 22,560.87 : x
  2. Step 2: Convert to fraction form
    64,680.95/97,021.85 = 22,560.87/x
  3. Step 3: Cross multiply
    64,680.95x = 97,021.85 × 22,560.87
  4. Step 4: Simplify right side
    64,680.95x = 2,188,897,232.21
  5. Step 5: Solve for x
    x = 2,188,897,232.21/64,680.95
  6. Step 6: Final answer
    x = 33,841.45

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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.