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Finding the Fourth Proportional to 8,922.96, 13,462.35 and 8,898.36

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Solution

The fourth proportional to 8,922.96, 13,462.35 and 8,898.36 is: 13,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.96 : 13,462.35 = 8,898.36 : x
  2. Step 2: Convert to fraction form
    8,922.96/13,462.35 = 8,898.36/x
  3. Step 3: Cross multiply
    8,922.96x = 13,462.35 × 8,898.36
  4. Step 4: Simplify right side
    8,922.96x = 119,792,802.95
  5. Step 5: Solve for x
    x = 119,792,802.95/8,922.96
  6. Step 6: Final answer
    x = 13,425.23

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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.