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Finding the Fourth Proportional to 38,792.70, 53,532.50 and 23,710.64

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Solution

The fourth proportional to 38,792.70, 53,532.50 and 23,710.64 is: 32,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.70 : 53,532.50 = 23,710.64 : x
  2. Step 2: Convert to fraction form
    38,792.70/53,532.50 = 23,710.64/x
  3. Step 3: Cross multiply
    38,792.70x = 53,532.50 × 23,710.64
  4. Step 4: Simplify right side
    38,792.70x = 1,269,289,449.58
  5. Step 5: Solve for x
    x = 1,269,289,449.58/38,792.70
  6. Step 6: Final answer
    x = 32,719.80

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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.