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Finding the Fourth Proportional to 86,473.71, 129,699.83 and 23,298.77

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Solution

The fourth proportional to 86,473.71, 129,699.83 and 23,298.77 is: 34,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,473.71 : 129,699.83 = 23,298.77 : x
  2. Step 2: Convert to fraction form
    86,473.71/129,699.83 = 23,298.77/x
  3. Step 3: Cross multiply
    86,473.71x = 129,699.83 × 23,298.77
  4. Step 4: Simplify right side
    86,473.71x = 3,021,846,890.71
  5. Step 5: Solve for x
    x = 3,021,846,890.71/86,473.71
  6. Step 6: Final answer
    x = 34,945.27

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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.