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Finding the Fourth Proportional to 12,355.52, 18,510.06 and 6,108.26

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Solution

The fourth proportional to 12,355.52, 18,510.06 and 6,108.26 is: 9,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.52 : 18,510.06 = 6,108.26 : x
  2. Step 2: Convert to fraction form
    12,355.52/18,510.06 = 6,108.26/x
  3. Step 3: Cross multiply
    12,355.52x = 18,510.06 × 6,108.26
  4. Step 4: Simplify right side
    12,355.52x = 113,064,259.10
  5. Step 5: Solve for x
    x = 113,064,259.10/12,355.52
  6. Step 6: Final answer
    x = 9,150.91

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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.