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Finding the Fourth Proportional to 57,315.30, 85,848.30 and 35,061.36

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Solution

The fourth proportional to 57,315.30, 85,848.30 and 35,061.36 is: 52,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.30 : 85,848.30 = 35,061.36 : x
  2. Step 2: Convert to fraction form
    57,315.30/85,848.30 = 35,061.36/x
  3. Step 3: Cross multiply
    57,315.30x = 85,848.30 × 35,061.36
  4. Step 4: Simplify right side
    57,315.30x = 3,009,958,151.69
  5. Step 5: Solve for x
    x = 3,009,958,151.69/57,315.30
  6. Step 6: Final answer
    x = 52,515.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.