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Finding the Fourth Proportional to 48,897.70, 67,479.05 and 27,681.07

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Solution

The fourth proportional to 48,897.70, 67,479.05 and 27,681.07 is: 38,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,897.70 : 67,479.05 = 27,681.07 : x
  2. Step 2: Convert to fraction form
    48,897.70/67,479.05 = 27,681.07/x
  3. Step 3: Cross multiply
    48,897.70x = 67,479.05 × 27,681.07
  4. Step 4: Simplify right side
    48,897.70x = 1,867,891,999.48
  5. Step 5: Solve for x
    x = 1,867,891,999.48/48,897.70
  6. Step 6: Final answer
    x = 38,200.00

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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.