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Finding the Fourth Proportional to 7,671.18, 10,581.03 and 4,683.18

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Solution

The fourth proportional to 7,671.18, 10,581.03 and 4,683.18 is: 6,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.18 : 10,581.03 = 4,683.18 : x
  2. Step 2: Convert to fraction form
    7,671.18/10,581.03 = 4,683.18/x
  3. Step 3: Cross multiply
    7,671.18x = 10,581.03 × 4,683.18
  4. Step 4: Simplify right side
    7,671.18x = 49,552,868.08
  5. Step 5: Solve for x
    x = 49,552,868.08/7,671.18
  6. Step 6: Final answer
    x = 6,459.61

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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.