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Finding the Fourth Proportional to 48,495.53, 72,743.27 and 13,435.19

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Solution

The fourth proportional to 48,495.53, 72,743.27 and 13,435.19 is: 20,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.53 : 72,743.27 = 13,435.19 : x
  2. Step 2: Convert to fraction form
    48,495.53/72,743.27 = 13,435.19/x
  3. Step 3: Cross multiply
    48,495.53x = 72,743.27 × 13,435.19
  4. Step 4: Simplify right side
    48,495.53x = 977,319,222.78
  5. Step 5: Solve for x
    x = 977,319,222.78/48,495.53
  6. Step 6: Final answer
    x = 20,152.77

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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.