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Finding the Fourth Proportional to 32,980.50, 49,470.75 and 14,512.50

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Solution

The fourth proportional to 32,980.50, 49,470.75 and 14,512.50 is: 21,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.50 : 49,470.75 = 14,512.50 : x
  2. Step 2: Convert to fraction form
    32,980.50/49,470.75 = 14,512.50/x
  3. Step 3: Cross multiply
    32,980.50x = 49,470.75 × 14,512.50
  4. Step 4: Simplify right side
    32,980.50x = 717,944,259.38
  5. Step 5: Solve for x
    x = 717,944,259.38/32,980.50
  6. Step 6: Final answer
    x = 21,768.75

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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.