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Finding the Fourth Proportional to 7,235.18, 9,981.61 and 4,716.41

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Solution

The fourth proportional to 7,235.18, 9,981.61 and 4,716.41 is: 6,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.18 : 9,981.61 = 4,716.41 : x
  2. Step 2: Convert to fraction form
    7,235.18/9,981.61 = 4,716.41/x
  3. Step 3: Cross multiply
    7,235.18x = 9,981.61 × 4,716.41
  4. Step 4: Simplify right side
    7,235.18x = 47,077,303.52
  5. Step 5: Solve for x
    x = 47,077,303.52/7,235.18
  6. Step 6: Final answer
    x = 6,506.72

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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.