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Finding the Fourth Proportional to 39,444.48, 59,172.48 and 13,144.32

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Solution

The fourth proportional to 39,444.48, 59,172.48 and 13,144.32 is: 19,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.48 : 59,172.48 = 13,144.32 : x
  2. Step 2: Convert to fraction form
    39,444.48/59,172.48 = 13,144.32/x
  3. Step 3: Cross multiply
    39,444.48x = 59,172.48 × 13,144.32
  4. Step 4: Simplify right side
    39,444.48x = 777,782,012.31
  5. Step 5: Solve for x
    x = 777,782,012.31/39,444.48
  6. Step 6: Final answer
    x = 19,718.40

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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.