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Finding the Fourth Proportional to 45,207, 62,385.75 and 25,335

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Solution

The fourth proportional to 45,207, 62,385.75 and 25,335 is: 34,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,207 : 62,385.75 = 25,335 : x
  2. Step 2: Convert to fraction form
    45,207/62,385.75 = 25,335/x
  3. Step 3: Cross multiply
    45,207x = 62,385.75 × 25,335
  4. Step 4: Simplify right side
    45,207x = 1,580,542,976.25
  5. Step 5: Solve for x
    x = 1,580,542,976.25/45,207
  6. Step 6: Final answer
    x = 34,962.35

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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.