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Finding the Fourth Proportional to 9,068.99, 12,519.63 and 7,047.63

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Solution

The fourth proportional to 9,068.99, 12,519.63 and 7,047.63 is: 9,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.99 : 12,519.63 = 7,047.63 : x
  2. Step 2: Convert to fraction form
    9,068.99/12,519.63 = 7,047.63/x
  3. Step 3: Cross multiply
    9,068.99x = 12,519.63 × 7,047.63
  4. Step 4: Simplify right side
    9,068.99x = 88,233,719.98
  5. Step 5: Solve for x
    x = 88,233,719.98/9,068.99
  6. Step 6: Final answer
    x = 9,729.17

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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.