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Finding the Fourth Proportional to 37,853, 52,237.14 and 21,087.08

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Solution

The fourth proportional to 37,853, 52,237.14 and 21,087.08 is: 29,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,853 : 52,237.14 = 21,087.08 : x
  2. Step 2: Convert to fraction form
    37,853/52,237.14 = 21,087.08/x
  3. Step 3: Cross multiply
    37,853x = 52,237.14 × 21,087.08
  4. Step 4: Simplify right side
    37,853x = 1,101,528,750.15
  5. Step 5: Solve for x
    x = 1,101,528,750.15/37,853
  6. Step 6: Final answer
    x = 29,100.17

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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.