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Finding the Fourth Proportional to 11,503.65, 17,255.86 and 3,070.07

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Solution

The fourth proportional to 11,503.65, 17,255.86 and 3,070.07 is: 4,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.65 : 17,255.86 = 3,070.07 : x
  2. Step 2: Convert to fraction form
    11,503.65/17,255.86 = 3,070.07/x
  3. Step 3: Cross multiply
    11,503.65x = 17,255.86 × 3,070.07
  4. Step 4: Simplify right side
    11,503.65x = 52,976,604.16
  5. Step 5: Solve for x
    x = 52,976,604.16/11,503.65
  6. Step 6: Final answer
    x = 4,605.20

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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.