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Finding the Fourth Proportional to 44,462.89, 66,713.06 and 19,490.05

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Solution

The fourth proportional to 44,462.89, 66,713.06 and 19,490.05 is: 29,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,462.89 : 66,713.06 = 19,490.05 : x
  2. Step 2: Convert to fraction form
    44,462.89/66,713.06 = 19,490.05/x
  3. Step 3: Cross multiply
    44,462.89x = 66,713.06 × 19,490.05
  4. Step 4: Simplify right side
    44,462.89x = 1,300,240,875.05
  5. Step 5: Solve for x
    x = 1,300,240,875.05/44,462.89
  6. Step 6: Final answer
    x = 29,243.28

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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.