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Finding the Fourth Proportional to 58,384.01, 87,601.95 and 28,384.85

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Solution

The fourth proportional to 58,384.01, 87,601.95 and 28,384.85 is: 42,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,384.01 : 87,601.95 = 28,384.85 : x
  2. Step 2: Convert to fraction form
    58,384.01/87,601.95 = 28,384.85/x
  3. Step 3: Cross multiply
    58,384.01x = 87,601.95 × 28,384.85
  4. Step 4: Simplify right side
    58,384.01x = 2,486,567,772.45
  5. Step 5: Solve for x
    x = 2,486,567,772.45/58,384.01
  6. Step 6: Final answer
    x = 42,589.88

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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.