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Finding the Fourth Proportional to 8,574.57, 11,832.62 and 4,848.57

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Solution

The fourth proportional to 8,574.57, 11,832.62 and 4,848.57 is: 6,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.57 : 11,832.62 = 4,848.57 : x
  2. Step 2: Convert to fraction form
    8,574.57/11,832.62 = 4,848.57/x
  3. Step 3: Cross multiply
    8,574.57x = 11,832.62 × 4,848.57
  4. Step 4: Simplify right side
    8,574.57x = 57,371,262.11
  5. Step 5: Solve for x
    x = 57,371,262.11/8,574.57
  6. Step 6: Final answer
    x = 6,690.86

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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.