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Finding the Fourth Proportional to 7,064.88, 10,590.30 and 3,360.48

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Solution

The fourth proportional to 7,064.88, 10,590.30 and 3,360.48 is: 5,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.88 : 10,590.30 = 3,360.48 : x
  2. Step 2: Convert to fraction form
    7,064.88/10,590.30 = 3,360.48/x
  3. Step 3: Cross multiply
    7,064.88x = 10,590.30 × 3,360.48
  4. Step 4: Simplify right side
    7,064.88x = 35,588,491.34
  5. Step 5: Solve for x
    x = 35,588,491.34/7,064.88
  6. Step 6: Final answer
    x = 5,037.38

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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.