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Finding the Fourth Proportional to 19,502.90, 29,236.53 and 7,020.06

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Solution

The fourth proportional to 19,502.90, 29,236.53 and 7,020.06 is: 10,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.90 : 29,236.53 = 7,020.06 : x
  2. Step 2: Convert to fraction form
    19,502.90/29,236.53 = 7,020.06/x
  3. Step 3: Cross multiply
    19,502.90x = 29,236.53 × 7,020.06
  4. Step 4: Simplify right side
    19,502.90x = 205,242,278.10
  5. Step 5: Solve for x
    x = 205,242,278.10/19,502.90
  6. Step 6: Final answer
    x = 10,523.68

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1.5x scale

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.