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Finding the Fourth Proportional to 18,106.60, 23,564.50 and 18,106.60

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Solution

The fourth proportional to 18,106.60, 23,564.50 and 18,106.60 is: 23,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.60 : 23,564.50 = 18,106.60 : x
  2. Step 2: Convert to fraction form
    18,106.60/23,564.50 = 18,106.60/x
  3. Step 3: Cross multiply
    18,106.60x = 23,564.50 × 18,106.60
  4. Step 4: Simplify right side
    18,106.60x = 426,672,975.70
  5. Step 5: Solve for x
    x = 426,672,975.70/18,106.60
  6. Step 6: Final answer
    x = 23,564.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.