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Finding the Fourth Proportional to 48,496.53, 72,744.76 and 13,436.19

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Solution

The fourth proportional to 48,496.53, 72,744.76 and 13,436.19 is: 20,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.53 : 72,744.76 = 13,436.19 : x
  2. Step 2: Convert to fraction form
    48,496.53/72,744.76 = 13,436.19/x
  3. Step 3: Cross multiply
    48,496.53x = 72,744.76 × 13,436.19
  4. Step 4: Simplify right side
    48,496.53x = 977,412,416.86
  5. Step 5: Solve for x
    x = 977,412,416.86/48,496.53
  6. Step 6: Final answer
    x = 20,154.28

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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.