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Finding the Fourth Proportional to 64,541.65, 89,018.19 and 46,695.73

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Solution

The fourth proportional to 64,541.65, 89,018.19 and 46,695.73 is: 64,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,541.65 : 89,018.19 = 46,695.73 : x
  2. Step 2: Convert to fraction form
    64,541.65/89,018.19 = 46,695.73/x
  3. Step 3: Cross multiply
    64,541.65x = 89,018.19 × 46,695.73
  4. Step 4: Simplify right side
    64,541.65x = 4,156,769,365.33
  5. Step 5: Solve for x
    x = 4,156,769,365.33/64,541.65
  6. Step 6: Final answer
    x = 64,404.45

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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.