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Finding the Fourth Proportional to 18,196.02, 25,117.02 and 11,123.10

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Solution

The fourth proportional to 18,196.02, 25,117.02 and 11,123.10 is: 15,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.02 : 25,117.02 = 11,123.10 : x
  2. Step 2: Convert to fraction form
    18,196.02/25,117.02 = 11,123.10/x
  3. Step 3: Cross multiply
    18,196.02x = 25,117.02 × 11,123.10
  4. Step 4: Simplify right side
    18,196.02x = 279,379,125.16
  5. Step 5: Solve for x
    x = 279,379,125.16/18,196.02
  6. Step 6: Final answer
    x = 15,353.86

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Half scale
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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.