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Finding the Fourth Proportional to 7,302.77, 10,959.44 and 2,921.45

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Solution

The fourth proportional to 7,302.77, 10,959.44 and 2,921.45 is: 4,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.77 : 10,959.44 = 2,921.45 : x
  2. Step 2: Convert to fraction form
    7,302.77/10,959.44 = 2,921.45/x
  3. Step 3: Cross multiply
    7,302.77x = 10,959.44 × 2,921.45
  4. Step 4: Simplify right side
    7,302.77x = 32,017,455.99
  5. Step 5: Solve for x
    x = 32,017,455.99/7,302.77
  6. Step 6: Final answer
    x = 4,384.29

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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.