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Finding the Fourth Proportional to 59,437.80, 89,222.31 and 47,037.51

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Solution

The fourth proportional to 59,437.80, 89,222.31 and 47,037.51 is: 70,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,437.80 : 89,222.31 = 47,037.51 : x
  2. Step 2: Convert to fraction form
    59,437.80/89,222.31 = 47,037.51/x
  3. Step 3: Cross multiply
    59,437.80x = 89,222.31 × 47,037.51
  4. Step 4: Simplify right side
    59,437.80x = 4,196,795,298.85
  5. Step 5: Solve for x
    x = 4,196,795,298.85/59,437.80
  6. Step 6: Final answer
    x = 70,608.19

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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.