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Finding the Fourth Proportional to 8,952.93, 12,354.98 and 5,416.11

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Solution

The fourth proportional to 8,952.93, 12,354.98 and 5,416.11 is: 7,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.93 : 12,354.98 = 5,416.11 : x
  2. Step 2: Convert to fraction form
    8,952.93/12,354.98 = 5,416.11/x
  3. Step 3: Cross multiply
    8,952.93x = 12,354.98 × 5,416.11
  4. Step 4: Simplify right side
    8,952.93x = 66,915,903.65
  5. Step 5: Solve for x
    x = 66,915,903.65/8,952.93
  6. Step 6: Final answer
    x = 7,474.19

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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.