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Finding the Fourth Proportional to 10,646.71, 15,971.99 and 4,403.33

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Solution

The fourth proportional to 10,646.71, 15,971.99 and 4,403.33 is: 6,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.71 : 15,971.99 = 4,403.33 : x
  2. Step 2: Convert to fraction form
    10,646.71/15,971.99 = 4,403.33/x
  3. Step 3: Cross multiply
    10,646.71x = 15,971.99 × 4,403.33
  4. Step 4: Simplify right side
    10,646.71x = 70,329,942.73
  5. Step 5: Solve for x
    x = 70,329,942.73/10,646.71
  6. Step 6: Final answer
    x = 6,605.79

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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.