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Finding the Fourth Proportional to 12,509.08, 17,262.03 and 7,476.08

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Solution

The fourth proportional to 12,509.08, 17,262.03 and 7,476.08 is: 10,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.08 : 17,262.03 = 7,476.08 : x
  2. Step 2: Convert to fraction form
    12,509.08/17,262.03 = 7,476.08/x
  3. Step 3: Cross multiply
    12,509.08x = 17,262.03 × 7,476.08
  4. Step 4: Simplify right side
    12,509.08x = 129,052,314.77
  5. Step 5: Solve for x
    x = 129,052,314.77/12,509.08
  6. Step 6: Final answer
    x = 10,316.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.