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Finding the Fourth Proportional to 32,428.84, 44,751.20 and 18,281.70

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Solution

The fourth proportional to 32,428.84, 44,751.20 and 18,281.70 is: 25,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.84 : 44,751.20 = 18,281.70 : x
  2. Step 2: Convert to fraction form
    32,428.84/44,751.20 = 18,281.70/x
  3. Step 3: Cross multiply
    32,428.84x = 44,751.20 × 18,281.70
  4. Step 4: Simplify right side
    32,428.84x = 818,128,013.04
  5. Step 5: Solve for x
    x = 818,128,013.04/32,428.84
  6. Step 6: Final answer
    x = 25,228.41

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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.