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Finding the Fourth Proportional to 8,585.53, 11,848.76 and 4,808.63

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Solution

The fourth proportional to 8,585.53, 11,848.76 and 4,808.63 is: 6,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.53 : 11,848.76 = 4,808.63 : x
  2. Step 2: Convert to fraction form
    8,585.53/11,848.76 = 4,808.63/x
  3. Step 3: Cross multiply
    8,585.53x = 11,848.76 × 4,808.63
  4. Step 4: Simplify right side
    8,585.53x = 56,976,262.90
  5. Step 5: Solve for x
    x = 56,976,262.90/8,585.53
  6. Step 6: Final answer
    x = 6,636.31

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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.