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Finding the Fourth Proportional to 65,916.24, 90,963.86 and 35,700.86

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Solution

The fourth proportional to 65,916.24, 90,963.86 and 35,700.86 is: 49,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.24 : 90,963.86 = 35,700.86 : x
  2. Step 2: Convert to fraction form
    65,916.24/90,963.86 = 35,700.86/x
  3. Step 3: Cross multiply
    65,916.24x = 90,963.86 × 35,700.86
  4. Step 4: Simplify right side
    65,916.24x = 3,247,488,030.92
  5. Step 5: Solve for x
    x = 3,247,488,030.92/65,916.24
  6. Step 6: Final answer
    x = 49,266.89

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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.