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Finding the Fourth Proportional to 33,038.63, 45,593.54 and 17,931.54

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Solution

The fourth proportional to 33,038.63, 45,593.54 and 17,931.54 is: 24,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.63 : 45,593.54 = 17,931.54 : x
  2. Step 2: Convert to fraction form
    33,038.63/45,593.54 = 17,931.54/x
  3. Step 3: Cross multiply
    33,038.63x = 45,593.54 × 17,931.54
  4. Step 4: Simplify right side
    33,038.63x = 817,562,386.25
  5. Step 5: Solve for x
    x = 817,562,386.25/33,038.63
  6. Step 6: Final answer
    x = 24,745.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.