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Finding the Fourth Proportional to 18,700.04, 28,062.23 and 9,941.10

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Solution

The fourth proportional to 18,700.04, 28,062.23 and 9,941.10 is: 14,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.04 : 28,062.23 = 9,941.10 : x
  2. Step 2: Convert to fraction form
    18,700.04/28,062.23 = 9,941.10/x
  3. Step 3: Cross multiply
    18,700.04x = 28,062.23 × 9,941.10
  4. Step 4: Simplify right side
    18,700.04x = 278,969,384.95
  5. Step 5: Solve for x
    x = 278,969,384.95/18,700.04
  6. Step 6: Final answer
    x = 14,918.12

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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.