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Finding the Fourth Proportional to 2,886.60, 4,032.60 and 2,886.60

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Solution

The fourth proportional to 2,886.60, 4,032.60 and 2,886.60 is: 4,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.60 : 4,032.60 = 2,886.60 : x
  2. Step 2: Convert to fraction form
    2,886.60/4,032.60 = 2,886.60/x
  3. Step 3: Cross multiply
    2,886.60x = 4,032.60 × 2,886.60
  4. Step 4: Simplify right side
    2,886.60x = 11,640,503.16
  5. Step 5: Solve for x
    x = 11,640,503.16/2,886.60
  6. Step 6: Final answer
    x = 4,032.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.