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Finding the Fourth Proportional to 58,562.82, 87,860.52 and 19,122.30

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Solution

The fourth proportional to 58,562.82, 87,860.52 and 19,122.30 is: 28,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,562.82 : 87,860.52 = 19,122.30 : x
  2. Step 2: Convert to fraction form
    58,562.82/87,860.52 = 19,122.30/x
  3. Step 3: Cross multiply
    58,562.82x = 87,860.52 × 19,122.30
  4. Step 4: Simplify right side
    58,562.82x = 1,680,095,221.60
  5. Step 5: Solve for x
    x = 1,680,095,221.60/58,562.82
  6. Step 6: Final answer
    x = 28,688.77

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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.