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Finding the Fourth Proportional to 8,973.29, 13,458.89 and 2,399.99

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Solution

The fourth proportional to 8,973.29, 13,458.89 and 2,399.99 is: 3,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.29 : 13,458.89 = 2,399.99 : x
  2. Step 2: Convert to fraction form
    8,973.29/13,458.89 = 2,399.99/x
  3. Step 3: Cross multiply
    8,973.29x = 13,458.89 × 2,399.99
  4. Step 4: Simplify right side
    8,973.29x = 32,301,140.12
  5. Step 5: Solve for x
    x = 32,301,140.12/8,973.29
  6. Step 6: Final answer
    x = 3,599.70

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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.