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Finding the Fourth Proportional to 7,486.15, 10,325.06 and 4,834.21

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Solution

The fourth proportional to 7,486.15, 10,325.06 and 4,834.21 is: 6,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.15 : 10,325.06 = 4,834.21 : x
  2. Step 2: Convert to fraction form
    7,486.15/10,325.06 = 4,834.21/x
  3. Step 3: Cross multiply
    7,486.15x = 10,325.06 × 4,834.21
  4. Step 4: Simplify right side
    7,486.15x = 49,913,484.13
  5. Step 5: Solve for x
    x = 49,913,484.13/7,486.15
  6. Step 6: Final answer
    x = 6,667.44

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Double scale
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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.