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Finding the Fourth Proportional to 61,863.39, 85,371.48 and 35,005.35

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Solution

The fourth proportional to 61,863.39, 85,371.48 and 35,005.35 is: 48,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.39 : 85,371.48 = 35,005.35 : x
  2. Step 2: Convert to fraction form
    61,863.39/85,371.48 = 35,005.35/x
  3. Step 3: Cross multiply
    61,863.39x = 85,371.48 × 35,005.35
  4. Step 4: Simplify right side
    61,863.39x = 2,988,458,537.42
  5. Step 5: Solve for x
    x = 2,988,458,537.42/61,863.39
  6. Step 6: Final answer
    x = 48,307.38

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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.