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Finding the Fourth Proportional to 14,922.16, 22,391.08 and 6,607.92

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Solution

The fourth proportional to 14,922.16, 22,391.08 and 6,607.92 is: 9,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.16 : 22,391.08 = 6,607.92 : x
  2. Step 2: Convert to fraction form
    14,922.16/22,391.08 = 6,607.92/x
  3. Step 3: Cross multiply
    14,922.16x = 22,391.08 × 6,607.92
  4. Step 4: Simplify right side
    14,922.16x = 147,958,465.35
  5. Step 5: Solve for x
    x = 147,958,465.35/14,922.16
  6. Step 6: Final answer
    x = 9,915.35

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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.