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Finding the Fourth Proportional to 18,048.95, 27,066.95 and 6,950.06

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Solution

The fourth proportional to 18,048.95, 27,066.95 and 6,950.06 is: 10,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.95 : 27,066.95 = 6,950.06 : x
  2. Step 2: Convert to fraction form
    18,048.95/27,066.95 = 6,950.06/x
  3. Step 3: Cross multiply
    18,048.95x = 27,066.95 × 6,950.06
  4. Step 4: Simplify right side
    18,048.95x = 188,116,985.50
  5. Step 5: Solve for x
    x = 188,116,985.50/18,048.95
  6. Step 6: Final answer
    x = 10,422.60

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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.