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Finding the Fourth Proportional to 8,484.90, 11,714.04 and 5,651.52

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Solution

The fourth proportional to 8,484.90, 11,714.04 and 5,651.52 is: 7,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.90 : 11,714.04 = 5,651.52 : x
  2. Step 2: Convert to fraction form
    8,484.90/11,714.04 = 5,651.52/x
  3. Step 3: Cross multiply
    8,484.90x = 11,714.04 × 5,651.52
  4. Step 4: Simplify right side
    8,484.90x = 66,202,131.34
  5. Step 5: Solve for x
    x = 66,202,131.34/8,484.90
  6. Step 6: Final answer
    x = 7,802.35

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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.