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Finding the Fourth Proportional to 5,777.70, 8,666.55 and 5,048.70

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Solution

The fourth proportional to 5,777.70, 8,666.55 and 5,048.70 is: 7,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.70 : 8,666.55 = 5,048.70 : x
  2. Step 2: Convert to fraction form
    5,777.70/8,666.55 = 5,048.70/x
  3. Step 3: Cross multiply
    5,777.70x = 8,666.55 × 5,048.70
  4. Step 4: Simplify right side
    5,777.70x = 43,754,810.99
  5. Step 5: Solve for x
    x = 43,754,810.99/5,777.70
  6. Step 6: Final answer
    x = 7,573.05

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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.