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Finding the Fourth Proportional to 64,848.93, 89,491.53 and 35,040.93

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Solution

The fourth proportional to 64,848.93, 89,491.53 and 35,040.93 is: 48,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,848.93 : 89,491.53 = 35,040.93 : x
  2. Step 2: Convert to fraction form
    64,848.93/89,491.53 = 35,040.93/x
  3. Step 3: Cross multiply
    64,848.93x = 89,491.53 × 35,040.93
  4. Step 4: Simplify right side
    64,848.93x = 3,135,866,438.32
  5. Step 5: Solve for x
    x = 3,135,866,438.32/64,848.93
  6. Step 6: Final answer
    x = 48,356.49

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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.