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Finding the Fourth Proportional to 6,291.66, 9,423.12 and 3,007.06

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Solution

The fourth proportional to 6,291.66, 9,423.12 and 3,007.06 is: 4,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.66 : 9,423.12 = 3,007.06 : x
  2. Step 2: Convert to fraction form
    6,291.66/9,423.12 = 3,007.06/x
  3. Step 3: Cross multiply
    6,291.66x = 9,423.12 × 3,007.06
  4. Step 4: Simplify right side
    6,291.66x = 28,335,887.23
  5. Step 5: Solve for x
    x = 28,335,887.23/6,291.66
  6. Step 6: Final answer
    x = 4,503.72

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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.