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Finding the Fourth Proportional to 5,929.55, 8,903.57 and 5,666.63

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Solution

The fourth proportional to 5,929.55, 8,903.57 and 5,666.63 is: 8,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.55 : 8,903.57 = 5,666.63 : x
  2. Step 2: Convert to fraction form
    5,929.55/8,903.57 = 5,666.63/x
  3. Step 3: Cross multiply
    5,929.55x = 8,903.57 × 5,666.63
  4. Step 4: Simplify right side
    5,929.55x = 50,453,230.79
  5. Step 5: Solve for x
    x = 50,453,230.79/5,929.55
  6. Step 6: Final answer
    x = 8,508.79

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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.