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Finding the Fourth Proportional to 7,668.89, 11,503.32 and 2,404.31

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Solution

The fourth proportional to 7,668.89, 11,503.32 and 2,404.31 is: 3,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.89 : 11,503.32 = 2,404.31 : x
  2. Step 2: Convert to fraction form
    7,668.89/11,503.32 = 2,404.31/x
  3. Step 3: Cross multiply
    7,668.89x = 11,503.32 × 2,404.31
  4. Step 4: Simplify right side
    7,668.89x = 27,657,547.31
  5. Step 5: Solve for x
    x = 27,657,547.31/7,668.89
  6. Step 6: Final answer
    x = 3,606.46

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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.