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Finding the Fourth Proportional to 61,511.66, 84,886.35 and 34,654.49

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Solution

The fourth proportional to 61,511.66, 84,886.35 and 34,654.49 is: 47,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511.66 : 84,886.35 = 34,654.49 : x
  2. Step 2: Convert to fraction form
    61,511.66/84,886.35 = 34,654.49/x
  3. Step 3: Cross multiply
    61,511.66x = 84,886.35 × 34,654.49
  4. Step 4: Simplify right side
    61,511.66x = 2,941,693,167.21
  5. Step 5: Solve for x
    x = 2,941,693,167.21/61,511.66
  6. Step 6: Final answer
    x = 47,823.34

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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.