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Finding the Fourth Proportional to 8,924.96, 13,465.36 and 8,900.36

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Solution

The fourth proportional to 8,924.96, 13,465.36 and 8,900.36 is: 13,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.96 : 13,465.36 = 8,900.36 : x
  2. Step 2: Convert to fraction form
    8,924.96/13,465.36 = 8,900.36/x
  3. Step 3: Cross multiply
    8,924.96x = 13,465.36 × 8,900.36
  4. Step 4: Simplify right side
    8,924.96x = 119,846,551.53
  5. Step 5: Solve for x
    x = 119,846,551.53/8,924.96
  6. Step 6: Final answer
    x = 13,428.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.