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Finding the Fourth Proportional to 5,360.40, 8,038.89 and 5,010.57

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Solution

The fourth proportional to 5,360.40, 8,038.89 and 5,010.57 is: 7,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.40 : 8,038.89 = 5,010.57 : x
  2. Step 2: Convert to fraction form
    5,360.40/8,038.89 = 5,010.57/x
  3. Step 3: Cross multiply
    5,360.40x = 8,038.89 × 5,010.57
  4. Step 4: Simplify right side
    5,360.40x = 40,279,421.07
  5. Step 5: Solve for x
    x = 40,279,421.07/5,360.40
  6. Step 6: Final answer
    x = 7,514.26

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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.