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Finding the Fourth Proportional to 32,687.60, 49,033.22 and 9,312.21

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Solution

The fourth proportional to 32,687.60, 49,033.22 and 9,312.21 is: 13,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.60 : 49,033.22 = 9,312.21 : x
  2. Step 2: Convert to fraction form
    32,687.60/49,033.22 = 9,312.21/x
  3. Step 3: Cross multiply
    32,687.60x = 49,033.22 × 9,312.21
  4. Step 4: Simplify right side
    32,687.60x = 456,607,595.06
  5. Step 5: Solve for x
    x = 456,607,595.06/32,687.60
  6. Step 6: Final answer
    x = 13,968.83

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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.