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Finding the Fourth Proportional to 58,504.87, 87,740.56 and 19,065.43

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Solution

The fourth proportional to 58,504.87, 87,740.56 and 19,065.43 is: 28,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,504.87 : 87,740.56 = 19,065.43 : x
  2. Step 2: Convert to fraction form
    58,504.87/87,740.56 = 19,065.43/x
  3. Step 3: Cross multiply
    58,504.87x = 87,740.56 × 19,065.43
  4. Step 4: Simplify right side
    58,504.87x = 1,672,811,504.84
  5. Step 5: Solve for x
    x = 1,672,811,504.84/58,504.87
  6. Step 6: Final answer
    x = 28,592.69

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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.