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Finding the Fourth Proportional to 47,460.25, 65,461.12 and 29,310.58

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Solution

The fourth proportional to 47,460.25, 65,461.12 and 29,310.58 is: 40,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,460.25 : 65,461.12 = 29,310.58 : x
  2. Step 2: Convert to fraction form
    47,460.25/65,461.12 = 29,310.58/x
  3. Step 3: Cross multiply
    47,460.25x = 65,461.12 × 29,310.58
  4. Step 4: Simplify right side
    47,460.25x = 1,918,703,394.65
  5. Step 5: Solve for x
    x = 1,918,703,394.65/47,460.25
  6. Step 6: Final answer
    x = 40,427.59

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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.