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Finding the Fourth Proportional to 52,287.63, 72,156.73 and 29,630.94

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Solution

The fourth proportional to 52,287.63, 72,156.73 and 29,630.94 is: 40,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.63 : 72,156.73 = 29,630.94 : x
  2. Step 2: Convert to fraction form
    52,287.63/72,156.73 = 29,630.94/x
  3. Step 3: Cross multiply
    52,287.63x = 72,156.73 × 29,630.94
  4. Step 4: Simplify right side
    52,287.63x = 2,138,071,737.23
  5. Step 5: Solve for x
    x = 2,138,071,737.23/52,287.63
  6. Step 6: Final answer
    x = 40,890.58

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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.