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Finding the Fourth Proportional to 18,106.50, 24,987.04 and 10,558.04

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Solution

The fourth proportional to 18,106.50, 24,987.04 and 10,558.04 is: 14,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.50 : 24,987.04 = 10,558.04 : x
  2. Step 2: Convert to fraction form
    18,106.50/24,987.04 = 10,558.04/x
  3. Step 3: Cross multiply
    18,106.50x = 24,987.04 × 10,558.04
  4. Step 4: Simplify right side
    18,106.50x = 263,814,203.87
  5. Step 5: Solve for x
    x = 263,814,203.87/18,106.50
  6. Step 6: Final answer
    x = 14,570.14

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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.