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Finding the Fourth Proportional to 37,062.30, 55,602.30 and 12,102.40

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Solution

The fourth proportional to 37,062.30, 55,602.30 and 12,102.40 is: 18,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,062.30 : 55,602.30 = 12,102.40 : x
  2. Step 2: Convert to fraction form
    37,062.30/55,602.30 = 12,102.40/x
  3. Step 3: Cross multiply
    37,062.30x = 55,602.30 × 12,102.40
  4. Step 4: Simplify right side
    37,062.30x = 672,920,997.51
  5. Step 5: Solve for x
    x = 672,920,997.51/37,062.30
  6. Step 6: Final answer
    x = 18,156.48

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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.