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Finding the Fourth Proportional to 12,336.71, 17,024.99 and 7,031.41

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Solution

The fourth proportional to 12,336.71, 17,024.99 and 7,031.41 is: 9,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.71 : 17,024.99 = 7,031.41 : x
  2. Step 2: Convert to fraction form
    12,336.71/17,024.99 = 7,031.41/x
  3. Step 3: Cross multiply
    12,336.71x = 17,024.99 × 7,031.41
  4. Step 4: Simplify right side
    12,336.71x = 119,709,607.22
  5. Step 5: Solve for x
    x = 119,709,607.22/12,336.71
  6. Step 6: Final answer
    x = 9,703.53

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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.