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Finding the Fourth Proportional to 7,886.60, 10,883.35 and 4,301.58

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Solution

The fourth proportional to 7,886.60, 10,883.35 and 4,301.58 is: 5,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.60 : 10,883.35 = 4,301.58 : x
  2. Step 2: Convert to fraction form
    7,886.60/10,883.35 = 4,301.58/x
  3. Step 3: Cross multiply
    7,886.60x = 10,883.35 × 4,301.58
  4. Step 4: Simplify right side
    7,886.60x = 46,815,646.88
  5. Step 5: Solve for x
    x = 46,815,646.88/7,886.60
  6. Step 6: Final answer
    x = 5,936.10

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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.