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Finding the Fourth Proportional to 64,257.74, 88,674.76 and 35,574.65

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Solution

The fourth proportional to 64,257.74, 88,674.76 and 35,574.65 is: 49,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,257.74 : 88,674.76 = 35,574.65 : x
  2. Step 2: Convert to fraction form
    64,257.74/88,674.76 = 35,574.65/x
  3. Step 3: Cross multiply
    64,257.74x = 88,674.76 × 35,574.65
  4. Step 4: Simplify right side
    64,257.74x = 3,154,573,018.52
  5. Step 5: Solve for x
    x = 3,154,573,018.52/64,257.74
  6. Step 6: Final answer
    x = 49,092.50

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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.