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Finding the Fourth Proportional to 44,355.48, 66,523.16 and 12,765.48

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Solution

The fourth proportional to 44,355.48, 66,523.16 and 12,765.48 is: 19,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,355.48 : 66,523.16 = 12,765.48 : x
  2. Step 2: Convert to fraction form
    44,355.48/66,523.16 = 12,765.48/x
  3. Step 3: Cross multiply
    44,355.48x = 66,523.16 × 12,765.48
  4. Step 4: Simplify right side
    44,355.48x = 849,200,004.69
  5. Step 5: Solve for x
    x = 849,200,004.69/44,355.48
  6. Step 6: Final answer
    x = 19,145.32

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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.