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Finding the Fourth Proportional to 58,817.76, 81,145.44 and 33,653.76

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Solution

The fourth proportional to 58,817.76, 81,145.44 and 33,653.76 is: 46,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,817.76 : 81,145.44 = 33,653.76 : x
  2. Step 2: Convert to fraction form
    58,817.76/81,145.44 = 33,653.76/x
  3. Step 3: Cross multiply
    58,817.76x = 81,145.44 × 33,653.76
  4. Step 4: Simplify right side
    58,817.76x = 2,730,849,162.85
  5. Step 5: Solve for x
    x = 2,730,849,162.85/58,817.76
  6. Step 6: Final answer
    x = 46,428.99

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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.