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Finding the Fourth Proportional to 7,046.15, 9,701.53 and 5,981.81

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Solution

The fourth proportional to 7,046.15, 9,701.53 and 5,981.81 is: 8,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.15 : 9,701.53 = 5,981.81 : x
  2. Step 2: Convert to fraction form
    7,046.15/9,701.53 = 5,981.81/x
  3. Step 3: Cross multiply
    7,046.15x = 9,701.53 × 5,981.81
  4. Step 4: Simplify right side
    7,046.15x = 58,032,645.71
  5. Step 5: Solve for x
    x = 58,032,645.71/7,046.15
  6. Step 6: Final answer
    x = 8,236.08

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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.