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Finding the Fourth Proportional to 60,416.40, 90,624.60 and 44,864.40

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Solution

The fourth proportional to 60,416.40, 90,624.60 and 44,864.40 is: 67,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,416.40 : 90,624.60 = 44,864.40 : x
  2. Step 2: Convert to fraction form
    60,416.40/90,624.60 = 44,864.40/x
  3. Step 3: Cross multiply
    60,416.40x = 90,624.60 × 44,864.40
  4. Step 4: Simplify right side
    60,416.40x = 4,065,818,304.24
  5. Step 5: Solve for x
    x = 4,065,818,304.24/60,416.40
  6. Step 6: Final answer
    x = 67,296.60

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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.