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Finding the Fourth Proportional to 6,404.66, 8,838.12 and 3,572.33

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Solution

The fourth proportional to 6,404.66, 8,838.12 and 3,572.33 is: 4,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.66 : 8,838.12 = 3,572.33 : x
  2. Step 2: Convert to fraction form
    6,404.66/8,838.12 = 3,572.33/x
  3. Step 3: Cross multiply
    6,404.66x = 8,838.12 × 3,572.33
  4. Step 4: Simplify right side
    6,404.66x = 31,572,681.22
  5. Step 5: Solve for x
    x = 31,572,681.22/6,404.66
  6. Step 6: Final answer
    x = 4,929.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.