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Finding the Fourth Proportional to 8,416.52, 12,616.02 and 4,713.32

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Solution

The fourth proportional to 8,416.52, 12,616.02 and 4,713.32 is: 7,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.52 : 12,616.02 = 4,713.32 : x
  2. Step 2: Convert to fraction form
    8,416.52/12,616.02 = 4,713.32/x
  3. Step 3: Cross multiply
    8,416.52x = 12,616.02 × 4,713.32
  4. Step 4: Simplify right side
    8,416.52x = 59,463,339.39
  5. Step 5: Solve for x
    x = 59,463,339.39/8,416.52
  6. Step 6: Final answer
    x = 7,065.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.