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Finding the Fourth Proportional to 6,515.60, 8,992.56 and 4,848.08

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Solution

The fourth proportional to 6,515.60, 8,992.56 and 4,848.08 is: 6,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.60 : 8,992.56 = 4,848.08 : x
  2. Step 2: Convert to fraction form
    6,515.60/8,992.56 = 4,848.08/x
  3. Step 3: Cross multiply
    6,515.60x = 8,992.56 × 4,848.08
  4. Step 4: Simplify right side
    6,515.60x = 43,596,650.28
  5. Step 5: Solve for x
    x = 43,596,650.28/6,515.60
  6. Step 6: Final answer
    x = 6,691.12

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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.