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Finding the Fourth Proportional to 32,988.80, 45,523.68 and 17,880.80

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Solution

The fourth proportional to 32,988.80, 45,523.68 and 17,880.80 is: 24,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.80 : 45,523.68 = 17,880.80 : x
  2. Step 2: Convert to fraction form
    32,988.80/45,523.68 = 17,880.80/x
  3. Step 3: Cross multiply
    32,988.80x = 45,523.68 × 17,880.80
  4. Step 4: Simplify right side
    32,988.80x = 813,999,817.34
  5. Step 5: Solve for x
    x = 813,999,817.34/32,988.80
  6. Step 6: Final answer
    x = 24,675.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.