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Finding the Fourth Proportional to 7,472.58, 11,209.05 and 3,088.86

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Solution

The fourth proportional to 7,472.58, 11,209.05 and 3,088.86 is: 4,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.58 : 11,209.05 = 3,088.86 : x
  2. Step 2: Convert to fraction form
    7,472.58/11,209.05 = 3,088.86/x
  3. Step 3: Cross multiply
    7,472.58x = 11,209.05 × 3,088.86
  4. Step 4: Simplify right side
    7,472.58x = 34,623,186.18
  5. Step 5: Solve for x
    x = 34,623,186.18/7,472.58
  6. Step 6: Final answer
    x = 4,633.36

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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.