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Finding the Fourth Proportional to 48,068.40, 72,102.60 and 36,404.40

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Solution

The fourth proportional to 48,068.40, 72,102.60 and 36,404.40 is: 54,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,068.40 : 72,102.60 = 36,404.40 : x
  2. Step 2: Convert to fraction form
    48,068.40/72,102.60 = 36,404.40/x
  3. Step 3: Cross multiply
    48,068.40x = 72,102.60 × 36,404.40
  4. Step 4: Simplify right side
    48,068.40x = 2,624,851,891.44
  5. Step 5: Solve for x
    x = 2,624,851,891.44/48,068.40
  6. Step 6: Final answer
    x = 54,606.60

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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.