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Finding the Fourth Proportional to 8,953.66, 13,430.49 and 2,797.66

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Solution

The fourth proportional to 8,953.66, 13,430.49 and 2,797.66 is: 4,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.66 : 13,430.49 = 2,797.66 : x
  2. Step 2: Convert to fraction form
    8,953.66/13,430.49 = 2,797.66/x
  3. Step 3: Cross multiply
    8,953.66x = 13,430.49 × 2,797.66
  4. Step 4: Simplify right side
    8,953.66x = 37,573,863.51
  5. Step 5: Solve for x
    x = 37,573,863.51/8,953.66
  6. Step 6: Final answer
    x = 4,196.48

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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.