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Finding the Fourth Proportional to 55,492.61, 83,239.69 and 18,052.88

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Solution

The fourth proportional to 55,492.61, 83,239.69 and 18,052.88 is: 27,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,492.61 : 83,239.69 = 18,052.88 : x
  2. Step 2: Convert to fraction form
    55,492.61/83,239.69 = 18,052.88/x
  3. Step 3: Cross multiply
    55,492.61x = 83,239.69 × 18,052.88
  4. Step 4: Simplify right side
    55,492.61x = 1,502,716,134.81
  5. Step 5: Solve for x
    x = 1,502,716,134.81/55,492.61
  6. Step 6: Final answer
    x = 27,079.57

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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.