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Finding the Fourth Proportional to 5,000.32, 6,900.78 and 2,904.46

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Solution

The fourth proportional to 5,000.32, 6,900.78 and 2,904.46 is: 4,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.32 : 6,900.78 = 2,904.46 : x
  2. Step 2: Convert to fraction form
    5,000.32/6,900.78 = 2,904.46/x
  3. Step 3: Cross multiply
    5,000.32x = 6,900.78 × 2,904.46
  4. Step 4: Simplify right side
    5,000.32x = 20,043,039.48
  5. Step 5: Solve for x
    x = 20,043,039.48/5,000.32
  6. Step 6: Final answer
    x = 4,008.35

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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.