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Finding the Fourth Proportional to 48,416.90, 72,430.95 and 41,915.30

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Solution

The fourth proportional to 48,416.90, 72,430.95 and 41,915.30 is: 62,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,416.90 : 72,430.95 = 41,915.30 : x
  2. Step 2: Convert to fraction form
    48,416.90/72,430.95 = 41,915.30/x
  3. Step 3: Cross multiply
    48,416.90x = 72,430.95 × 41,915.30
  4. Step 4: Simplify right side
    48,416.90x = 3,035,964,998.54
  5. Step 5: Solve for x
    x = 3,035,964,998.54/48,416.90
  6. Step 6: Final answer
    x = 62,704.65

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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.