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Finding the Fourth Proportional to 12,340.55, 17,029.54 and 7,037.08

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Solution

The fourth proportional to 12,340.55, 17,029.54 and 7,037.08 is: 9,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.55 : 17,029.54 = 7,037.08 : x
  2. Step 2: Convert to fraction form
    12,340.55/17,029.54 = 7,037.08/x
  3. Step 3: Cross multiply
    12,340.55x = 17,029.54 × 7,037.08
  4. Step 4: Simplify right side
    12,340.55x = 119,838,201.57
  5. Step 5: Solve for x
    x = 119,838,201.57/12,340.55
  6. Step 6: Final answer
    x = 9,710.93

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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.