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Finding the Fourth Proportional to 7,551.59, 10,421.06 and 4,194.27

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Solution

The fourth proportional to 7,551.59, 10,421.06 and 4,194.27 is: 5,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.59 : 10,421.06 = 4,194.27 : x
  2. Step 2: Convert to fraction form
    7,551.59/10,421.06 = 4,194.27/x
  3. Step 3: Cross multiply
    7,551.59x = 10,421.06 × 4,194.27
  4. Step 4: Simplify right side
    7,551.59x = 43,708,718.35
  5. Step 5: Solve for x
    x = 43,708,718.35/7,551.59
  6. Step 6: Final answer
    x = 5,788.02

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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.