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Finding the Fourth Proportional to 32,491.04, 48,708.07 and 15,615.60

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Solution

The fourth proportional to 32,491.04, 48,708.07 and 15,615.60 is: 23,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.04 : 48,708.07 = 15,615.60 : x
  2. Step 2: Convert to fraction form
    32,491.04/48,708.07 = 15,615.60/x
  3. Step 3: Cross multiply
    32,491.04x = 48,708.07 × 15,615.60
  4. Step 4: Simplify right side
    32,491.04x = 760,605,698.85
  5. Step 5: Solve for x
    x = 760,605,698.85/32,491.04
  6. Step 6: Final answer
    x = 23,409.71

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1.5x scale

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.