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Finding the Fourth Proportional to 9,934.16, 14,889.72 and 9,358.16

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Solution

The fourth proportional to 9,934.16, 14,889.72 and 9,358.16 is: 14,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.16 : 14,889.72 = 9,358.16 : x
  2. Step 2: Convert to fraction form
    9,934.16/14,889.72 = 9,358.16/x
  3. Step 3: Cross multiply
    9,934.16x = 14,889.72 × 9,358.16
  4. Step 4: Simplify right side
    9,934.16x = 139,340,382.12
  5. Step 5: Solve for x
    x = 139,340,382.12/9,934.16
  6. Step 6: Final answer
    x = 14,026.39

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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.