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Finding the Fourth Proportional to 58,808.72, 81,153.48 and 33,657.68

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Solution

The fourth proportional to 58,808.72, 81,153.48 and 33,657.68 is: 46,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.72 : 81,153.48 = 33,657.68 : x
  2. Step 2: Convert to fraction form
    58,808.72/81,153.48 = 33,657.68/x
  3. Step 3: Cross multiply
    58,808.72x = 81,153.48 × 33,657.68
  4. Step 4: Simplify right side
    58,808.72x = 2,731,437,860.73
  5. Step 5: Solve for x
    x = 2,731,437,860.73/58,808.72
  6. Step 6: Final answer
    x = 46,446.14

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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.