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Finding the Fourth Proportional to 7,062, 10,590.96 and 2,130.48

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Solution

The fourth proportional to 7,062, 10,590.96 and 2,130.48 is: 3,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062 : 10,590.96 = 2,130.48 : x
  2. Step 2: Convert to fraction form
    7,062/10,590.96 = 2,130.48/x
  3. Step 3: Cross multiply
    7,062x = 10,590.96 × 2,130.48
  4. Step 4: Simplify right side
    7,062x = 22,563,828.46
  5. Step 5: Solve for x
    x = 22,563,828.46/7,062
  6. Step 6: Final answer
    x = 3,195.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.