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Finding the Fourth Proportional to 58,591.49, 87,814.13 and 28,580.99

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Solution

The fourth proportional to 58,591.49, 87,814.13 and 28,580.99 is: 42,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,591.49 : 87,814.13 = 28,580.99 : x
  2. Step 2: Convert to fraction form
    58,591.49/87,814.13 = 28,580.99/x
  3. Step 3: Cross multiply
    58,591.49x = 87,814.13 × 28,580.99
  4. Step 4: Simplify right side
    58,591.49x = 2,509,814,189.41
  5. Step 5: Solve for x
    x = 2,509,814,189.41/58,591.49
  6. Step 6: Final answer
    x = 42,835.82

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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.