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Finding the Fourth Proportional to 58,710.45, 81,019.95 and 32,869.09

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Solution

The fourth proportional to 58,710.45, 81,019.95 and 32,869.09 is: 45,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,710.45 : 81,019.95 = 32,869.09 : x
  2. Step 2: Convert to fraction form
    58,710.45/81,019.95 = 32,869.09/x
  3. Step 3: Cross multiply
    58,710.45x = 81,019.95 × 32,869.09
  4. Step 4: Simplify right side
    58,710.45x = 2,663,052,006.36
  5. Step 5: Solve for x
    x = 2,663,052,006.36/58,710.45
  6. Step 6: Final answer
    x = 45,359.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.