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Finding the Fourth Proportional to 45,139, 62,291.88 and 25,267

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Solution

The fourth proportional to 45,139, 62,291.88 and 25,267 is: 34,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139 : 62,291.88 = 25,267 : x
  2. Step 2: Convert to fraction form
    45,139/62,291.88 = 25,267/x
  3. Step 3: Cross multiply
    45,139x = 62,291.88 × 25,267
  4. Step 4: Simplify right side
    45,139x = 1,573,928,931.96
  5. Step 5: Solve for x
    x = 1,573,928,931.96/45,139
  6. Step 6: Final answer
    x = 34,868.49

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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.