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Finding the Fourth Proportional to 7,045.94, 9,701.26 and 5,981.49

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Solution

The fourth proportional to 7,045.94, 9,701.26 and 5,981.49 is: 8,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.94 : 9,701.26 = 5,981.49 : x
  2. Step 2: Convert to fraction form
    7,045.94/9,701.26 = 5,981.49/x
  3. Step 3: Cross multiply
    7,045.94x = 9,701.26 × 5,981.49
  4. Step 4: Simplify right side
    7,045.94x = 58,027,959.77
  5. Step 5: Solve for x
    x = 58,027,959.77/7,045.94
  6. Step 6: Final answer
    x = 8,235.66

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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.