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Finding the Fourth Proportional to 40,810.40, 61,215.60 and 24,221.60

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Solution

The fourth proportional to 40,810.40, 61,215.60 and 24,221.60 is: 36,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.40 : 61,215.60 = 24,221.60 : x
  2. Step 2: Convert to fraction form
    40,810.40/61,215.60 = 24,221.60/x
  3. Step 3: Cross multiply
    40,810.40x = 61,215.60 × 24,221.60
  4. Step 4: Simplify right side
    40,810.40x = 1,482,739,776.96
  5. Step 5: Solve for x
    x = 1,482,739,776.96/40,810.40
  6. Step 6: Final answer
    x = 36,332.40

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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.