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Finding the Fourth Proportional to 64,154.74, 88,533.84 and 35,859.82

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Solution

The fourth proportional to 64,154.74, 88,533.84 and 35,859.82 is: 49,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154.74 : 88,533.84 = 35,859.82 : x
  2. Step 2: Convert to fraction form
    64,154.74/88,533.84 = 35,859.82/x
  3. Step 3: Cross multiply
    64,154.74x = 88,533.84 × 35,859.82
  4. Step 4: Simplify right side
    64,154.74x = 3,174,807,566.31
  5. Step 5: Solve for x
    x = 3,174,807,566.31/64,154.74
  6. Step 6: Final answer
    x = 49,486.72

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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.