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Finding the Fourth Proportional to 52,368.92, 72,269.42 and 28,495.76

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Solution

The fourth proportional to 52,368.92, 72,269.42 and 28,495.76 is: 39,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,368.92 : 72,269.42 = 28,495.76 : x
  2. Step 2: Convert to fraction form
    52,368.92/72,269.42 = 28,495.76/x
  3. Step 3: Cross multiply
    52,368.92x = 72,269.42 × 28,495.76
  4. Step 4: Simplify right side
    52,368.92x = 2,059,372,047.66
  5. Step 5: Solve for x
    x = 2,059,372,047.66/52,368.92
  6. Step 6: Final answer
    x = 39,324.32

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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.