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Finding the Fourth Proportional to 5,000.50, 6,900.69 and 2,904.76

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Solution

The fourth proportional to 5,000.50, 6,900.69 and 2,904.76 is: 4,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.50 : 6,900.69 = 2,904.76 : x
  2. Step 2: Convert to fraction form
    5,000.50/6,900.69 = 2,904.76/x
  3. Step 3: Cross multiply
    5,000.50x = 6,900.69 × 2,904.76
  4. Step 4: Simplify right side
    5,000.50x = 20,044,848.28
  5. Step 5: Solve for x
    x = 20,044,848.28/5,000.50
  6. Step 6: Final answer
    x = 4,008.57

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Half scale
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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.