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Finding the Fourth Proportional to 61,827.71, 85,326.48 and 34,970.13

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Solution

The fourth proportional to 61,827.71, 85,326.48 and 34,970.13 is: 48,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,827.71 : 85,326.48 = 34,970.13 : x
  2. Step 2: Convert to fraction form
    61,827.71/85,326.48 = 34,970.13/x
  3. Step 3: Cross multiply
    61,827.71x = 85,326.48 × 34,970.13
  4. Step 4: Simplify right side
    61,827.71x = 2,983,878,098.04
  5. Step 5: Solve for x
    x = 2,983,878,098.04/61,827.71
  6. Step 6: Final answer
    x = 48,261.18

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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.