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Finding the Fourth Proportional to 28,061.51, 42,092.06 and 7,001.42

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Solution

The fourth proportional to 28,061.51, 42,092.06 and 7,001.42 is: 10,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.51 : 42,092.06 = 7,001.42 : x
  2. Step 2: Convert to fraction form
    28,061.51/42,092.06 = 7,001.42/x
  3. Step 3: Cross multiply
    28,061.51x = 42,092.06 × 7,001.42
  4. Step 4: Simplify right side
    28,061.51x = 294,703,945.26
  5. Step 5: Solve for x
    x = 294,703,945.26/28,061.51
  6. Step 6: Final answer
    x = 10,502.07

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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.