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Finding the Fourth Proportional to 4,992.95, 7,484.15 and 1,870.92

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Solution

The fourth proportional to 4,992.95, 7,484.15 and 1,870.92 is: 2,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.95 : 7,484.15 = 1,870.92 : x
  2. Step 2: Convert to fraction form
    4,992.95/7,484.15 = 1,870.92/x
  3. Step 3: Cross multiply
    4,992.95x = 7,484.15 × 1,870.92
  4. Step 4: Simplify right side
    4,992.95x = 14,002,236.56
  5. Step 5: Solve for x
    x = 14,002,236.56/4,992.95
  6. Step 6: Final answer
    x = 2,804.40

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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.