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Finding the Fourth Proportional to 8,347.14, 11,519.26 and 4,570.48

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Solution

The fourth proportional to 8,347.14, 11,519.26 and 4,570.48 is: 6,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.14 : 11,519.26 = 4,570.48 : x
  2. Step 2: Convert to fraction form
    8,347.14/11,519.26 = 4,570.48/x
  3. Step 3: Cross multiply
    8,347.14x = 11,519.26 × 4,570.48
  4. Step 4: Simplify right side
    8,347.14x = 52,648,547.44
  5. Step 5: Solve for x
    x = 52,648,547.44/8,347.14
  6. Step 6: Final answer
    x = 6,307.38

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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.