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Finding the Fourth Proportional to 9,275.34, 13,917.62 and 7,403.15

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Solution

The fourth proportional to 9,275.34, 13,917.62 and 7,403.15 is: 11,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.34 : 13,917.62 = 7,403.15 : x
  2. Step 2: Convert to fraction form
    9,275.34/13,917.62 = 7,403.15/x
  3. Step 3: Cross multiply
    9,275.34x = 13,917.62 × 7,403.15
  4. Step 4: Simplify right side
    9,275.34x = 103,034,212.22
  5. Step 5: Solve for x
    x = 103,034,212.22/9,275.34
  6. Step 6: Final answer
    x = 11,108.40

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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.