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Finding the Fourth Proportional to 18,462.87, 25,477.88 and 10,504.35

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Solution

The fourth proportional to 18,462.87, 25,477.88 and 10,504.35 is: 14,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.87 : 25,477.88 = 10,504.35 : x
  2. Step 2: Convert to fraction form
    18,462.87/25,477.88 = 10,504.35/x
  3. Step 3: Cross multiply
    18,462.87x = 25,477.88 × 10,504.35
  4. Step 4: Simplify right side
    18,462.87x = 267,628,516.26
  5. Step 5: Solve for x
    x = 267,628,516.26/18,462.87
  6. Step 6: Final answer
    x = 14,495.50

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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.