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Finding the Fourth Proportional to 1,842.93, 2,763.98 and 526.67

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Solution

The fourth proportional to 1,842.93, 2,763.98 and 526.67 is: 789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.93 : 2,763.98 = 526.67 : x
  2. Step 2: Convert to fraction form
    1,842.93/2,763.98 = 526.67/x
  3. Step 3: Cross multiply
    1,842.93x = 2,763.98 × 526.67
  4. Step 4: Simplify right side
    1,842.93x = 1,455,688.89
  5. Step 5: Solve for x
    x = 1,455,688.89/1,842.93
  6. Step 6: Final answer
    x = 789.88

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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.