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Finding the Fourth Proportional to 7,902.02, 10,904.88 and 4,365.16

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Solution

The fourth proportional to 7,902.02, 10,904.88 and 4,365.16 is: 6,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.02 : 10,904.88 = 4,365.16 : x
  2. Step 2: Convert to fraction form
    7,902.02/10,904.88 = 4,365.16/x
  3. Step 3: Cross multiply
    7,902.02x = 10,904.88 × 4,365.16
  4. Step 4: Simplify right side
    7,902.02x = 47,601,545.98
  5. Step 5: Solve for x
    x = 47,601,545.98/7,902.02
  6. Step 6: Final answer
    x = 6,023.97

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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.