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Finding the Fourth Proportional to 4,999.96, 6,897.72 and 2,902.87

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Solution

The fourth proportional to 4,999.96, 6,897.72 and 2,902.87 is: 4,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.96 : 6,897.72 = 2,902.87 : x
  2. Step 2: Convert to fraction form
    4,999.96/6,897.72 = 2,902.87/x
  3. Step 3: Cross multiply
    4,999.96x = 6,897.72 × 2,902.87
  4. Step 4: Simplify right side
    4,999.96x = 20,023,184.46
  5. Step 5: Solve for x
    x = 20,023,184.46/4,999.96
  6. Step 6: Final answer
    x = 4,004.67

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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.