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Finding the Fourth Proportional to 32,828.80, 49,243.20 and 15,300.40

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Solution

The fourth proportional to 32,828.80, 49,243.20 and 15,300.40 is: 22,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,828.80 : 49,243.20 = 15,300.40 : x
  2. Step 2: Convert to fraction form
    32,828.80/49,243.20 = 15,300.40/x
  3. Step 3: Cross multiply
    32,828.80x = 49,243.20 × 15,300.40
  4. Step 4: Simplify right side
    32,828.80x = 753,440,657.28
  5. Step 5: Solve for x
    x = 753,440,657.28/32,828.80
  6. Step 6: Final answer
    x = 22,950.60

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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.