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Finding the Fourth Proportional to 5,668.88, 8,503.79 and 1,564.88

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Solution

The fourth proportional to 5,668.88, 8,503.79 and 1,564.88 is: 2,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.88 : 8,503.79 = 1,564.88 : x
  2. Step 2: Convert to fraction form
    5,668.88/8,503.79 = 1,564.88/x
  3. Step 3: Cross multiply
    5,668.88x = 8,503.79 × 1,564.88
  4. Step 4: Simplify right side
    5,668.88x = 13,307,372.29
  5. Step 5: Solve for x
    x = 13,307,372.29/5,668.88
  6. Step 6: Final answer
    x = 2,347.45

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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.