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Finding the Fourth Proportional to 7,365.79, 10,168.43 and 5,020.23

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Solution

The fourth proportional to 7,365.79, 10,168.43 and 5,020.23 is: 6,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.79 : 10,168.43 = 5,020.23 : x
  2. Step 2: Convert to fraction form
    7,365.79/10,168.43 = 5,020.23/x
  3. Step 3: Cross multiply
    7,365.79x = 10,168.43 × 5,020.23
  4. Step 4: Simplify right side
    7,365.79x = 51,047,857.34
  5. Step 5: Solve for x
    x = 51,047,857.34/7,365.79
  6. Step 6: Final answer
    x = 6,930.40

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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.