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Finding the Fourth Proportional to 48,937.60, 73,406.40 and 17,768.80

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Solution

The fourth proportional to 48,937.60, 73,406.40 and 17,768.80 is: 26,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.60 : 73,406.40 = 17,768.80 : x
  2. Step 2: Convert to fraction form
    48,937.60/73,406.40 = 17,768.80/x
  3. Step 3: Cross multiply
    48,937.60x = 73,406.40 × 17,768.80
  4. Step 4: Simplify right side
    48,937.60x = 1,304,343,640.32
  5. Step 5: Solve for x
    x = 1,304,343,640.32/48,937.60
  6. Step 6: Final answer
    x = 26,653.20

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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.