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Finding the Fourth Proportional to 14,317.62, 21,477.90 and 4,957.62

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Solution

The fourth proportional to 14,317.62, 21,477.90 and 4,957.62 is: 7,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.62 : 21,477.90 = 4,957.62 : x
  2. Step 2: Convert to fraction form
    14,317.62/21,477.90 = 4,957.62/x
  3. Step 3: Cross multiply
    14,317.62x = 21,477.90 × 4,957.62
  4. Step 4: Simplify right side
    14,317.62x = 106,479,266.60
  5. Step 5: Solve for x
    x = 106,479,266.60/14,317.62
  6. Step 6: Final answer
    x = 7,436.94

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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.