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Finding the Fourth Proportional to 8,585.32, 12,850.14 and 4,631.08

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Solution

The fourth proportional to 8,585.32, 12,850.14 and 4,631.08 is: 6,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.32 : 12,850.14 = 4,631.08 : x
  2. Step 2: Convert to fraction form
    8,585.32/12,850.14 = 4,631.08/x
  3. Step 3: Cross multiply
    8,585.32x = 12,850.14 × 4,631.08
  4. Step 4: Simplify right side
    8,585.32x = 59,510,026.35
  5. Step 5: Solve for x
    x = 59,510,026.35/8,585.32
  6. Step 6: Final answer
    x = 6,931.60

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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.