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Finding the Fourth Proportional to 15,752.16, 21,737.31 and 9,033.12

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Solution

The fourth proportional to 15,752.16, 21,737.31 and 9,033.12 is: 12,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.16 : 21,737.31 = 9,033.12 : x
  2. Step 2: Convert to fraction form
    15,752.16/21,737.31 = 9,033.12/x
  3. Step 3: Cross multiply
    15,752.16x = 21,737.31 × 9,033.12
  4. Step 4: Simplify right side
    15,752.16x = 196,355,729.71
  5. Step 5: Solve for x
    x = 196,355,729.71/15,752.16
  6. Step 6: Final answer
    x = 12,465.32

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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.