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Finding the Fourth Proportional to 48,726.40, 67,240.80 and 27,510.40

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Solution

The fourth proportional to 48,726.40, 67,240.80 and 27,510.40 is: 37,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,726.40 : 67,240.80 = 27,510.40 : x
  2. Step 2: Convert to fraction form
    48,726.40/67,240.80 = 27,510.40/x
  3. Step 3: Cross multiply
    48,726.40x = 67,240.80 × 27,510.40
  4. Step 4: Simplify right side
    48,726.40x = 1,849,821,304.32
  5. Step 5: Solve for x
    x = 1,849,821,304.32/48,726.40
  6. Step 6: Final answer
    x = 37,963.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.