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Finding the Fourth Proportional to 8,588.60, 11,851.52 and 4,811.27

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Solution

The fourth proportional to 8,588.60, 11,851.52 and 4,811.27 is: 6,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.60 : 11,851.52 = 4,811.27 : x
  2. Step 2: Convert to fraction form
    8,588.60/11,851.52 = 4,811.27/x
  3. Step 3: Cross multiply
    8,588.60x = 11,851.52 × 4,811.27
  4. Step 4: Simplify right side
    8,588.60x = 57,020,779.32
  5. Step 5: Solve for x
    x = 57,020,779.32/8,588.60
  6. Step 6: Final answer
    x = 6,639.12

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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.