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Finding the Fourth Proportional to 4,788.84, 6,608.70 and 2,900.67

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Solution

The fourth proportional to 4,788.84, 6,608.70 and 2,900.67 is: 4,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.84 : 6,608.70 = 2,900.67 : x
  2. Step 2: Convert to fraction form
    4,788.84/6,608.70 = 2,900.67/x
  3. Step 3: Cross multiply
    4,788.84x = 6,608.70 × 2,900.67
  4. Step 4: Simplify right side
    4,788.84x = 19,169,657.83
  5. Step 5: Solve for x
    x = 19,169,657.83/4,788.84
  6. Step 6: Final answer
    x = 4,002.99

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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.