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Finding the Fourth Proportional to 61,886.76, 85,403.76 and 33,592.44

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Solution

The fourth proportional to 61,886.76, 85,403.76 and 33,592.44 is: 46,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886.76 : 85,403.76 = 33,592.44 : x
  2. Step 2: Convert to fraction form
    61,886.76/85,403.76 = 33,592.44/x
  3. Step 3: Cross multiply
    61,886.76x = 85,403.76 × 33,592.44
  4. Step 4: Simplify right side
    61,886.76x = 2,868,920,683.57
  5. Step 5: Solve for x
    x = 2,868,920,683.57/61,886.76
  6. Step 6: Final answer
    x = 46,357.58

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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.