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Finding the Fourth Proportional to 5,875.76, 8,814.24 and 1,715.80

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Solution

The fourth proportional to 5,875.76, 8,814.24 and 1,715.80 is: 2,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.76 : 8,814.24 = 1,715.80 : x
  2. Step 2: Convert to fraction form
    5,875.76/8,814.24 = 1,715.80/x
  3. Step 3: Cross multiply
    5,875.76x = 8,814.24 × 1,715.80
  4. Step 4: Simplify right side
    5,875.76x = 15,123,472.99
  5. Step 5: Solve for x
    x = 15,123,472.99/5,875.76
  6. Step 6: Final answer
    x = 2,573.88

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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.