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Finding the Fourth Proportional to 32,457.44, 48,689.04 and 11,686.88

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Solution

The fourth proportional to 32,457.44, 48,689.04 and 11,686.88 is: 17,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,457.44 : 48,689.04 = 11,686.88 : x
  2. Step 2: Convert to fraction form
    32,457.44/48,689.04 = 11,686.88/x
  3. Step 3: Cross multiply
    32,457.44x = 48,689.04 × 11,686.88
  4. Step 4: Simplify right side
    32,457.44x = 569,022,967.80
  5. Step 5: Solve for x
    x = 569,022,967.80/32,457.44
  6. Step 6: Final answer
    x = 17,531.36

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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.