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Finding the Fourth Proportional to 8,567.60, 11,823.44 and 4,841.60

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Solution

The fourth proportional to 8,567.60, 11,823.44 and 4,841.60 is: 6,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.60 : 11,823.44 = 4,841.60 : x
  2. Step 2: Convert to fraction form
    8,567.60/11,823.44 = 4,841.60/x
  3. Step 3: Cross multiply
    8,567.60x = 11,823.44 × 4,841.60
  4. Step 4: Simplify right side
    8,567.60x = 57,244,367.10
  5. Step 5: Solve for x
    x = 57,244,367.10/8,567.60
  6. Step 6: Final answer
    x = 6,681.49

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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.