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Finding the Fourth Proportional to 18,014.16, 26,985.01 and 8,981.02

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Solution

The fourth proportional to 18,014.16, 26,985.01 and 8,981.02 is: 13,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.16 : 26,985.01 = 8,981.02 : x
  2. Step 2: Convert to fraction form
    18,014.16/26,985.01 = 8,981.02/x
  3. Step 3: Cross multiply
    18,014.16x = 26,985.01 × 8,981.02
  4. Step 4: Simplify right side
    18,014.16x = 242,352,914.51
  5. Step 5: Solve for x
    x = 242,352,914.51/18,014.16
  6. Step 6: Final answer
    x = 13,453.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.