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Finding the Fourth Proportional to 48,416.40, 72,430.20 and 41,914.80

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Solution

The fourth proportional to 48,416.40, 72,430.20 and 41,914.80 is: 62,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,416.40 : 72,430.20 = 41,914.80 : x
  2. Step 2: Convert to fraction form
    48,416.40/72,430.20 = 41,914.80/x
  3. Step 3: Cross multiply
    48,416.40x = 72,430.20 × 41,914.80
  4. Step 4: Simplify right side
    48,416.40x = 3,035,897,346.96
  5. Step 5: Solve for x
    x = 3,035,897,346.96/48,416.40
  6. Step 6: Final answer
    x = 62,703.91

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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.