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Finding the Fourth Proportional to 52,373.46, 72,276 and 28,499.61

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Solution

The fourth proportional to 52,373.46, 72,276 and 28,499.61 is: 39,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,373.46 : 72,276 = 28,499.61 : x
  2. Step 2: Convert to fraction form
    52,373.46/72,276 = 28,499.61/x
  3. Step 3: Cross multiply
    52,373.46x = 72,276 × 28,499.61
  4. Step 4: Simplify right side
    52,373.46x = 2,059,837,812.36
  5. Step 5: Solve for x
    x = 2,059,837,812.36/52,373.46
  6. Step 6: Final answer
    x = 39,329.80

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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.