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Finding the Fourth Proportional to 45,993, 63,470.40 and 26,121

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Solution

The fourth proportional to 45,993, 63,470.40 and 26,121 is: 36,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,993 : 63,470.40 = 26,121 : x
  2. Step 2: Convert to fraction form
    45,993/63,470.40 = 26,121/x
  3. Step 3: Cross multiply
    45,993x = 63,470.40 × 26,121
  4. Step 4: Simplify right side
    45,993x = 1,657,910,318.40
  5. Step 5: Solve for x
    x = 1,657,910,318.40/45,993
  6. Step 6: Final answer
    x = 36,047.01

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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.