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Finding the Fourth Proportional to 1,500.84, 2,250.18 and 526.68

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Solution

The fourth proportional to 1,500.84, 2,250.18 and 526.68 is: 789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.84 : 2,250.18 = 526.68 : x
  2. Step 2: Convert to fraction form
    1,500.84/2,250.18 = 526.68/x
  3. Step 3: Cross multiply
    1,500.84x = 2,250.18 × 526.68
  4. Step 4: Simplify right side
    1,500.84x = 1,185,124.80
  5. Step 5: Solve for x
    x = 1,185,124.80/1,500.84
  6. Step 6: Final answer
    x = 789.64

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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.