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Finding the Fourth Proportional to 3,085.86, 4,624.16 and 1,851.93

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Solution

The fourth proportional to 3,085.86, 4,624.16 and 1,851.93 is: 2,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.86 : 4,624.16 = 1,851.93 : x
  2. Step 2: Convert to fraction form
    3,085.86/4,624.16 = 1,851.93/x
  3. Step 3: Cross multiply
    3,085.86x = 4,624.16 × 1,851.93
  4. Step 4: Simplify right side
    3,085.86x = 8,563,611.37
  5. Step 5: Solve for x
    x = 8,563,611.37/3,085.86
  6. Step 6: Final answer
    x = 2,775.11

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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.