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Finding the Fourth Proportional to 48,344.40, 72,678.60 and 41,929.20

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Solution

The fourth proportional to 48,344.40, 72,678.60 and 41,929.20 is: 63,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,344.40 : 72,678.60 = 41,929.20 : x
  2. Step 2: Convert to fraction form
    48,344.40/72,678.60 = 41,929.20/x
  3. Step 3: Cross multiply
    48,344.40x = 72,678.60 × 41,929.20
  4. Step 4: Simplify right side
    48,344.40x = 3,047,355,555.12
  5. Step 5: Solve for x
    x = 3,047,355,555.12/48,344.40
  6. Step 6: Final answer
    x = 63,034.30

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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.