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Finding the Fourth Proportional to 45,262, 62,461.56 and 25,390

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Solution

The fourth proportional to 45,262, 62,461.56 and 25,390 is: 35,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,262 : 62,461.56 = 25,390 : x
  2. Step 2: Convert to fraction form
    45,262/62,461.56 = 25,390/x
  3. Step 3: Cross multiply
    45,262x = 62,461.56 × 25,390
  4. Step 4: Simplify right side
    45,262x = 1,585,899,008.40
  5. Step 5: Solve for x
    x = 1,585,899,008.40/45,262
  6. Step 6: Final answer
    x = 35,038.20

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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.