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Finding the Fourth Proportional to 5,904.12, 8,856.86 and 1,955.90

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Solution

The fourth proportional to 5,904.12, 8,856.86 and 1,955.90 is: 2,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.12 : 8,856.86 = 1,955.90 : x
  2. Step 2: Convert to fraction form
    5,904.12/8,856.86 = 1,955.90/x
  3. Step 3: Cross multiply
    5,904.12x = 8,856.86 × 1,955.90
  4. Step 4: Simplify right side
    5,904.12x = 17,323,144.84
  5. Step 5: Solve for x
    x = 17,323,144.84/5,904.12
  6. Step 6: Final answer
    x = 2,934.08

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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.