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Finding the Fourth Proportional to 8,649.48, 11,934.44 and 5,506.28

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Solution

The fourth proportional to 8,649.48, 11,934.44 and 5,506.28 is: 7,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.48 : 11,934.44 = 5,506.28 : x
  2. Step 2: Convert to fraction form
    8,649.48/11,934.44 = 5,506.28/x
  3. Step 3: Cross multiply
    8,649.48x = 11,934.44 × 5,506.28
  4. Step 4: Simplify right side
    8,649.48x = 65,714,368.28
  5. Step 5: Solve for x
    x = 65,714,368.28/8,649.48
  6. Step 6: Final answer
    x = 7,597.49

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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.