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Finding the Fourth Proportional to 72,894.48, 100,593.95 and 41,073.63

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Solution

The fourth proportional to 72,894.48, 100,593.95 and 41,073.63 is: 56,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894.48 : 100,593.95 = 41,073.63 : x
  2. Step 2: Convert to fraction form
    72,894.48/100,593.95 = 41,073.63/x
  3. Step 3: Cross multiply
    72,894.48x = 100,593.95 × 41,073.63
  4. Step 4: Simplify right side
    72,894.48x = 4,131,758,477.17
  5. Step 5: Solve for x
    x = 4,131,758,477.17/72,894.48
  6. Step 6: Final answer
    x = 56,681.36

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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.