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Finding the Fourth Proportional to 61,326.64, 84,638.24 and 34,470.24

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Solution

The fourth proportional to 61,326.64, 84,638.24 and 34,470.24 is: 47,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.64 : 84,638.24 = 34,470.24 : x
  2. Step 2: Convert to fraction form
    61,326.64/84,638.24 = 34,470.24/x
  3. Step 3: Cross multiply
    61,326.64x = 84,638.24 × 34,470.24
  4. Step 4: Simplify right side
    61,326.64x = 2,917,500,445.98
  5. Step 5: Solve for x
    x = 2,917,500,445.98/61,326.64
  6. Step 6: Final answer
    x = 47,573.13

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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.