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Finding the Fourth Proportional to 59,612.80, 89,419.20 and 36,246.40

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Solution

The fourth proportional to 59,612.80, 89,419.20 and 36,246.40 is: 54,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,612.80 : 89,419.20 = 36,246.40 : x
  2. Step 2: Convert to fraction form
    59,612.80/89,419.20 = 36,246.40/x
  3. Step 3: Cross multiply
    59,612.80x = 89,419.20 × 36,246.40
  4. Step 4: Simplify right side
    59,612.80x = 3,241,124,090.88
  5. Step 5: Solve for x
    x = 3,241,124,090.88/59,612.80
  6. Step 6: Final answer
    x = 54,369.60

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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.