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Finding the Fourth Proportional to 60,321, 90,468.96 and 22,868.16

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Solution

The fourth proportional to 60,321, 90,468.96 and 22,868.16 is: 34,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321 : 90,468.96 = 22,868.16 : x
  2. Step 2: Convert to fraction form
    60,321/90,468.96 = 22,868.16/x
  3. Step 3: Cross multiply
    60,321x = 90,468.96 × 22,868.16
  4. Step 4: Simplify right side
    60,321x = 2,068,858,652.31
  5. Step 5: Solve for x
    x = 2,068,858,652.31/60,321
  6. Step 6: Final answer
    x = 34,297.49

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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.