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Finding the Fourth Proportional to 32,409.20, 48,624.60 and 15,779.60

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Solution

The fourth proportional to 32,409.20, 48,624.60 and 15,779.60 is: 23,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,409.20 : 48,624.60 = 15,779.60 : x
  2. Step 2: Convert to fraction form
    32,409.20/48,624.60 = 15,779.60/x
  3. Step 3: Cross multiply
    32,409.20x = 48,624.60 × 15,779.60
  4. Step 4: Simplify right side
    32,409.20x = 767,276,738.16
  5. Step 5: Solve for x
    x = 767,276,738.16/32,409.20
  6. Step 6: Final answer
    x = 23,674.66

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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.