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Finding the Fourth Proportional to 9,902.79, 14,854.19 and 3,329

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Solution

The fourth proportional to 9,902.79, 14,854.19 and 3,329 is: 4,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.79 : 14,854.19 = 3,329 : x
  2. Step 2: Convert to fraction form
    9,902.79/14,854.19 = 3,329/x
  3. Step 3: Cross multiply
    9,902.79x = 14,854.19 × 3,329
  4. Step 4: Simplify right side
    9,902.79x = 49,449,598.51
  5. Step 5: Solve for x
    x = 49,449,598.51/9,902.79
  6. Step 6: Final answer
    x = 4,993.50

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1.5x scale

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.