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Finding the Fourth Proportional to 57,915.48, 79,916.62 and 32,423.24

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Solution

The fourth proportional to 57,915.48, 79,916.62 and 32,423.24 is: 44,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,915.48 : 79,916.62 = 32,423.24 : x
  2. Step 2: Convert to fraction form
    57,915.48/79,916.62 = 32,423.24/x
  3. Step 3: Cross multiply
    57,915.48x = 79,916.62 × 32,423.24
  4. Step 4: Simplify right side
    57,915.48x = 2,591,155,750.25
  5. Step 5: Solve for x
    x = 2,591,155,750.25/57,915.48
  6. Step 6: Final answer
    x = 44,740.30

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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.