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Finding the Fourth Proportional to 44,625.94, 66,945.17 and 13,038.32

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Solution

The fourth proportional to 44,625.94, 66,945.17 and 13,038.32 is: 19,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,625.94 : 66,945.17 = 13,038.32 : x
  2. Step 2: Convert to fraction form
    44,625.94/66,945.17 = 13,038.32/x
  3. Step 3: Cross multiply
    44,625.94x = 66,945.17 × 13,038.32
  4. Step 4: Simplify right side
    44,625.94x = 872,852,548.91
  5. Step 5: Solve for x
    x = 872,852,548.91/44,625.94
  6. Step 6: Final answer
    x = 19,559.31

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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.