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Finding the Fourth Proportional to 40,384.40, 60,641.40 and 27,294.80

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Solution

The fourth proportional to 40,384.40, 60,641.40 and 27,294.80 is: 40,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.40 : 60,641.40 = 27,294.80 : x
  2. Step 2: Convert to fraction form
    40,384.40/60,641.40 = 27,294.80/x
  3. Step 3: Cross multiply
    40,384.40x = 60,641.40 × 27,294.80
  4. Step 4: Simplify right side
    40,384.40x = 1,655,194,884.72
  5. Step 5: Solve for x
    x = 1,655,194,884.72/40,384.40
  6. Step 6: Final answer
    x = 40,986.00

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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.