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Finding the Fourth Proportional to 2,351.89, 3,526.98 and 707.95

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Solution

The fourth proportional to 2,351.89, 3,526.98 and 707.95 is: 1,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.89 : 3,526.98 = 707.95 : x
  2. Step 2: Convert to fraction form
    2,351.89/3,526.98 = 707.95/x
  3. Step 3: Cross multiply
    2,351.89x = 3,526.98 × 707.95
  4. Step 4: Simplify right side
    2,351.89x = 2,496,925.49
  5. Step 5: Solve for x
    x = 2,496,925.49/2,351.89
  6. Step 6: Final answer
    x = 1,061.67

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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.