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Finding the Fourth Proportional to 18,041.45, 24,904.87 and 10,970.13

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Solution

The fourth proportional to 18,041.45, 24,904.87 and 10,970.13 is: 15,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.45 : 24,904.87 = 10,970.13 : x
  2. Step 2: Convert to fraction form
    18,041.45/24,904.87 = 10,970.13/x
  3. Step 3: Cross multiply
    18,041.45x = 24,904.87 × 10,970.13
  4. Step 4: Simplify right side
    18,041.45x = 273,209,661.53
  5. Step 5: Solve for x
    x = 273,209,661.53/18,041.45
  6. Step 6: Final answer
    x = 15,143.44

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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.