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Finding the Fourth Proportional to 66,717.84, 92,070.27 and 36,502.59

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Solution

The fourth proportional to 66,717.84, 92,070.27 and 36,502.59 is: 50,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.84 : 92,070.27 = 36,502.59 : x
  2. Step 2: Convert to fraction form
    66,717.84/92,070.27 = 36,502.59/x
  3. Step 3: Cross multiply
    66,717.84x = 92,070.27 × 36,502.59
  4. Step 4: Simplify right side
    66,717.84x = 3,360,803,317.00
  5. Step 5: Solve for x
    x = 3,360,803,317.00/66,717.84
  6. Step 6: Final answer
    x = 50,373.38

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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.