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Finding the Fourth Proportional to 8,585.94, 12,883.79 and 4,637.15

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Solution

The fourth proportional to 8,585.94, 12,883.79 and 4,637.15 is: 6,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.94 : 12,883.79 = 4,637.15 : x
  2. Step 2: Convert to fraction form
    8,585.94/12,883.79 = 4,637.15/x
  3. Step 3: Cross multiply
    8,585.94x = 12,883.79 × 4,637.15
  4. Step 4: Simplify right side
    8,585.94x = 59,744,066.80
  5. Step 5: Solve for x
    x = 59,744,066.80/8,585.94
  6. Step 6: Final answer
    x = 6,958.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.