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Finding the Fourth Proportional to 18,462.10, 25,477.05 and 10,506.10

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Solution

The fourth proportional to 18,462.10, 25,477.05 and 10,506.10 is: 14,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.10 : 25,477.05 = 10,506.10 : x
  2. Step 2: Convert to fraction form
    18,462.10/25,477.05 = 10,506.10/x
  3. Step 3: Cross multiply
    18,462.10x = 25,477.05 × 10,506.10
  4. Step 4: Simplify right side
    18,462.10x = 267,664,435.01
  5. Step 5: Solve for x
    x = 267,664,435.01/18,462.10
  6. Step 6: Final answer
    x = 14,498.05

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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.