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Finding the Fourth Proportional to 64,184.10, 88,578.18 and 35,889.81

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Solution

The fourth proportional to 64,184.10, 88,578.18 and 35,889.81 is: 49,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,184.10 : 88,578.18 = 35,889.81 : x
  2. Step 2: Convert to fraction form
    64,184.10/88,578.18 = 35,889.81/x
  3. Step 3: Cross multiply
    64,184.10x = 88,578.18 × 35,889.81
  4. Step 4: Simplify right side
    64,184.10x = 3,179,054,050.35
  5. Step 5: Solve for x
    x = 3,179,054,050.35/64,184.10
  6. Step 6: Final answer
    x = 49,530.24

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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.