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Finding the Fourth Proportional to 8,995.64, 13,494.90 and 3,152.12

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Solution

The fourth proportional to 8,995.64, 13,494.90 and 3,152.12 is: 4,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.64 : 13,494.90 = 3,152.12 : x
  2. Step 2: Convert to fraction form
    8,995.64/13,494.90 = 3,152.12/x
  3. Step 3: Cross multiply
    8,995.64x = 13,494.90 × 3,152.12
  4. Step 4: Simplify right side
    8,995.64x = 42,537,544.19
  5. Step 5: Solve for x
    x = 42,537,544.19/8,995.64
  6. Step 6: Final answer
    x = 4,728.68

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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.