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Finding the Fourth Proportional to 5,668.88, 8,503.95 and 1,509.05

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Solution

The fourth proportional to 5,668.88, 8,503.95 and 1,509.05 is: 2,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.88 : 8,503.95 = 1,509.05 : x
  2. Step 2: Convert to fraction form
    5,668.88/8,503.95 = 1,509.05/x
  3. Step 3: Cross multiply
    5,668.88x = 8,503.95 × 1,509.05
  4. Step 4: Simplify right side
    5,668.88x = 12,832,843.23
  5. Step 5: Solve for x
    x = 12,832,843.23/5,668.88
  6. Step 6: Final answer
    x = 2,263.74

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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.