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Finding the Fourth Proportional to 45,261, 62,460.18 and 25,389

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Solution

The fourth proportional to 45,261, 62,460.18 and 25,389 is: 35,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,261 : 62,460.18 = 25,389 : x
  2. Step 2: Convert to fraction form
    45,261/62,460.18 = 25,389/x
  3. Step 3: Cross multiply
    45,261x = 62,460.18 × 25,389
  4. Step 4: Simplify right side
    45,261x = 1,585,801,510.02
  5. Step 5: Solve for x
    x = 1,585,801,510.02/45,261
  6. Step 6: Final answer
    x = 35,036.82

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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.