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Finding the Fourth Proportional to 65,810.62, 90,818.35 and 35,595.87

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Solution

The fourth proportional to 65,810.62, 90,818.35 and 35,595.87 is: 49,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810.62 : 90,818.35 = 35,595.87 : x
  2. Step 2: Convert to fraction form
    65,810.62/90,818.35 = 35,595.87/x
  3. Step 3: Cross multiply
    65,810.62x = 90,818.35 × 35,595.87
  4. Step 4: Simplify right side
    65,810.62x = 3,232,758,180.21
  5. Step 5: Solve for x
    x = 3,232,758,180.21/65,810.62
  6. Step 6: Final answer
    x = 49,122.14

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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.