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Finding the Fourth Proportional to 18,561,648.40, 27,842,472.60 and 10,058,592.40

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Solution

The fourth proportional to 18,561,648.40, 27,842,472.60 and 10,058,592.40 is: 15,087,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,648.40 : 27,842,472.60 = 10,058,592.40 : x
  2. Step 2: Convert to fraction form
    18,561,648.40/27,842,472.60 = 10,058,592.40/x
  3. Step 3: Cross multiply
    18,561,648.40x = 27,842,472.60 × 10,058,592.40
  4. Step 4: Simplify right side
    18,561,648.40x = 280,056,083,291,568.25
  5. Step 5: Solve for x
    x = 280,056,083,291,568.25/18,561,648.40
  6. Step 6: Final answer
    x = 15,087,888.60

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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.