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Finding the Fourth Proportional to 31,047.73, 46,572.03 and 8,861.10

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Solution

The fourth proportional to 31,047.73, 46,572.03 and 8,861.10 is: 13,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.73 : 46,572.03 = 8,861.10 : x
  2. Step 2: Convert to fraction form
    31,047.73/46,572.03 = 8,861.10/x
  3. Step 3: Cross multiply
    31,047.73x = 46,572.03 × 8,861.10
  4. Step 4: Simplify right side
    31,047.73x = 412,679,415.03
  5. Step 5: Solve for x
    x = 412,679,415.03/31,047.73
  6. Step 6: Final answer
    x = 13,291.77

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1.5x scale

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.