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Finding the Fourth Proportional to 9,028.77, 13,483.15 and 8,931.03

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Solution

The fourth proportional to 9,028.77, 13,483.15 and 8,931.03 is: 13,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.77 : 13,483.15 = 8,931.03 : x
  2. Step 2: Convert to fraction form
    9,028.77/13,483.15 = 8,931.03/x
  3. Step 3: Cross multiply
    9,028.77x = 13,483.15 × 8,931.03
  4. Step 4: Simplify right side
    9,028.77x = 120,418,369.37
  5. Step 5: Solve for x
    x = 120,418,369.37/9,028.77
  6. Step 6: Final answer
    x = 13,337.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.