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Finding the Fourth Proportional to 44,368.20, 66,552.30 and 40,739.40

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Solution

The fourth proportional to 44,368.20, 66,552.30 and 40,739.40 is: 61,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,368.20 : 66,552.30 = 40,739.40 : x
  2. Step 2: Convert to fraction form
    44,368.20/66,552.30 = 40,739.40/x
  3. Step 3: Cross multiply
    44,368.20x = 66,552.30 × 40,739.40
  4. Step 4: Simplify right side
    44,368.20x = 2,711,300,770.62
  5. Step 5: Solve for x
    x = 2,711,300,770.62/44,368.20
  6. Step 6: Final answer
    x = 61,109.10

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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.