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Finding the Fourth Proportional to 12,670.77, 19,006.20 and 7,473

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Solution

The fourth proportional to 12,670.77, 19,006.20 and 7,473 is: 11,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.77 : 19,006.20 = 7,473 : x
  2. Step 2: Convert to fraction form
    12,670.77/19,006.20 = 7,473/x
  3. Step 3: Cross multiply
    12,670.77x = 19,006.20 × 7,473
  4. Step 4: Simplify right side
    12,670.77x = 142,033,332.60
  5. Step 5: Solve for x
    x = 142,033,332.60/12,670.77
  6. Step 6: Final answer
    x = 11,209.53

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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.