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Finding the Fourth Proportional to 9,248.79, 13,866.71 and 3,404.64

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Solution

The fourth proportional to 9,248.79, 13,866.71 and 3,404.64 is: 5,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.79 : 13,866.71 = 3,404.64 : x
  2. Step 2: Convert to fraction form
    9,248.79/13,866.71 = 3,404.64/x
  3. Step 3: Cross multiply
    9,248.79x = 13,866.71 × 3,404.64
  4. Step 4: Simplify right side
    9,248.79x = 47,211,138.51
  5. Step 5: Solve for x
    x = 47,211,138.51/9,248.79
  6. Step 6: Final answer
    x = 5,104.57

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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.