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Finding the Fourth Proportional to 60,915.96, 91,374.42 and 21,464.04

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Solution

The fourth proportional to 60,915.96, 91,374.42 and 21,464.04 is: 32,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.96 : 91,374.42 = 21,464.04 : x
  2. Step 2: Convert to fraction form
    60,915.96/91,374.42 = 21,464.04/x
  3. Step 3: Cross multiply
    60,915.96x = 91,374.42 × 21,464.04
  4. Step 4: Simplify right side
    60,915.96x = 1,961,264,205.86
  5. Step 5: Solve for x
    x = 1,961,264,205.86/60,915.96
  6. Step 6: Final answer
    x = 32,196.23

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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.