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Finding the Fourth Proportional to 32,520.40, 48,783.86 and 8,828.32

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Solution

The fourth proportional to 32,520.40, 48,783.86 and 8,828.32 is: 13,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,520.40 : 48,783.86 = 8,828.32 : x
  2. Step 2: Convert to fraction form
    32,520.40/48,783.86 = 8,828.32/x
  3. Step 3: Cross multiply
    32,520.40x = 48,783.86 × 8,828.32
  4. Step 4: Simplify right side
    32,520.40x = 430,679,526.92
  5. Step 5: Solve for x
    x = 430,679,526.92/32,520.40
  6. Step 6: Final answer
    x = 13,243.36

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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.