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Finding the Fourth Proportional to 59,287.30, 89,000.40 and 46,815.73

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Solution

The fourth proportional to 59,287.30, 89,000.40 and 46,815.73 is: 70,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,287.30 : 89,000.40 = 46,815.73 : x
  2. Step 2: Convert to fraction form
    59,287.30/89,000.40 = 46,815.73/x
  3. Step 3: Cross multiply
    59,287.30x = 89,000.40 × 46,815.73
  4. Step 4: Simplify right side
    59,287.30x = 4,166,618,696.29
  5. Step 5: Solve for x
    x = 4,166,618,696.29/59,287.30
  6. Step 6: Final answer
    x = 70,278.44

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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.