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Finding the Fourth Proportional to 40,653.20, 60,979.80 and 26,701.40

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Solution

The fourth proportional to 40,653.20, 60,979.80 and 26,701.40 is: 40,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.20 : 60,979.80 = 26,701.40 : x
  2. Step 2: Convert to fraction form
    40,653.20/60,979.80 = 26,701.40/x
  3. Step 3: Cross multiply
    40,653.20x = 60,979.80 × 26,701.40
  4. Step 4: Simplify right side
    40,653.20x = 1,628,246,031.72
  5. Step 5: Solve for x
    x = 1,628,246,031.72/40,653.20
  6. Step 6: Final answer
    x = 40,052.10

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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.