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Finding the Fourth Proportional to 59,643.36, 89,475.84 and 48,647.52

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Solution

The fourth proportional to 59,643.36, 89,475.84 and 48,647.52 is: 72,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,643.36 : 89,475.84 = 48,647.52 : x
  2. Step 2: Convert to fraction form
    59,643.36/89,475.84 = 48,647.52/x
  3. Step 3: Cross multiply
    59,643.36x = 89,475.84 × 48,647.52
  4. Step 4: Simplify right side
    59,643.36x = 4,352,777,715.92
  5. Step 5: Solve for x
    x = 4,352,777,715.92/59,643.36
  6. Step 6: Final answer
    x = 72,980.09

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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.