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Finding the Fourth Proportional to 7,774.03, 10,728.43 and 4,416.74

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Solution

The fourth proportional to 7,774.03, 10,728.43 and 4,416.74 is: 6,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.03 : 10,728.43 = 4,416.74 : x
  2. Step 2: Convert to fraction form
    7,774.03/10,728.43 = 4,416.74/x
  3. Step 3: Cross multiply
    7,774.03x = 10,728.43 × 4,416.74
  4. Step 4: Simplify right side
    7,774.03x = 47,384,610.19
  5. Step 5: Solve for x
    x = 47,384,610.19/7,774.03
  6. Step 6: Final answer
    x = 6,095.25

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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.