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Finding the Fourth Proportional to 4,671.83, 7,008.06 and 1,861.76

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Solution

The fourth proportional to 4,671.83, 7,008.06 and 1,861.76 is: 2,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.83 : 7,008.06 = 1,861.76 : x
  2. Step 2: Convert to fraction form
    4,671.83/7,008.06 = 1,861.76/x
  3. Step 3: Cross multiply
    4,671.83x = 7,008.06 × 1,861.76
  4. Step 4: Simplify right side
    4,671.83x = 13,047,325.79
  5. Step 5: Solve for x
    x = 13,047,325.79/4,671.83
  6. Step 6: Final answer
    x = 2,792.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.