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Finding the Fourth Proportional to 9,687.32, 14,501.82 and 8,763.32

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Solution

The fourth proportional to 9,687.32, 14,501.82 and 8,763.32 is: 13,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.32 : 14,501.82 = 8,763.32 : x
  2. Step 2: Convert to fraction form
    9,687.32/14,501.82 = 8,763.32/x
  3. Step 3: Cross multiply
    9,687.32x = 14,501.82 × 8,763.32
  4. Step 4: Simplify right side
    9,687.32x = 127,084,089.24
  5. Step 5: Solve for x
    x = 127,084,089.24/9,687.32
  6. Step 6: Final answer
    x = 13,118.60

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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.