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Finding the Fourth Proportional to 27,322.97, 40,981.04 and 7,603.07

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Solution

The fourth proportional to 27,322.97, 40,981.04 and 7,603.07 is: 11,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.97 : 40,981.04 = 7,603.07 : x
  2. Step 2: Convert to fraction form
    27,322.97/40,981.04 = 7,603.07/x
  3. Step 3: Cross multiply
    27,322.97x = 40,981.04 × 7,603.07
  4. Step 4: Simplify right side
    27,322.97x = 311,581,501.38
  5. Step 5: Solve for x
    x = 311,581,501.38/27,322.97
  6. Step 6: Final answer
    x = 11,403.65

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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.