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Finding the Fourth Proportional to 48,503.67, 72,755.54 and 13,443.63

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Solution

The fourth proportional to 48,503.67, 72,755.54 and 13,443.63 is: 20,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,503.67 : 72,755.54 = 13,443.63 : x
  2. Step 2: Convert to fraction form
    48,503.67/72,755.54 = 13,443.63/x
  3. Step 3: Cross multiply
    48,503.67x = 72,755.54 × 13,443.63
  4. Step 4: Simplify right side
    48,503.67x = 978,098,492.99
  5. Step 5: Solve for x
    x = 978,098,492.99/48,503.67
  6. Step 6: Final answer
    x = 20,165.45

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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.