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Finding the Fourth Proportional to 5,575.88, 7,693.54 and 3,784.74

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Solution

The fourth proportional to 5,575.88, 7,693.54 and 3,784.74 is: 5,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.88 : 7,693.54 = 3,784.74 : x
  2. Step 2: Convert to fraction form
    5,575.88/7,693.54 = 3,784.74/x
  3. Step 3: Cross multiply
    5,575.88x = 7,693.54 × 3,784.74
  4. Step 4: Simplify right side
    5,575.88x = 29,118,048.58
  5. Step 5: Solve for x
    x = 29,118,048.58/5,575.88
  6. Step 6: Final answer
    x = 5,222.14

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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.