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Finding the Fourth Proportional to 12,867.03, 19,292.40 and 7,235.82

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Solution

The fourth proportional to 12,867.03, 19,292.40 and 7,235.82 is: 10,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.03 : 19,292.40 = 7,235.82 : x
  2. Step 2: Convert to fraction form
    12,867.03/19,292.40 = 7,235.82/x
  3. Step 3: Cross multiply
    12,867.03x = 19,292.40 × 7,235.82
  4. Step 4: Simplify right side
    12,867.03x = 139,596,333.77
  5. Step 5: Solve for x
    x = 139,596,333.77/12,867.03
  6. Step 6: Final answer
    x = 10,849.15

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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.