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Finding the Fourth Proportional to 32,798.51, 49,156.22 and 20,947.70

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Solution

The fourth proportional to 32,798.51, 49,156.22 and 20,947.70 is: 31,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,798.51 : 49,156.22 = 20,947.70 : x
  2. Step 2: Convert to fraction form
    32,798.51/49,156.22 = 20,947.70/x
  3. Step 3: Cross multiply
    32,798.51x = 49,156.22 × 20,947.70
  4. Step 4: Simplify right side
    32,798.51x = 1,029,709,503.91
  5. Step 5: Solve for x
    x = 1,029,709,503.91/32,798.51
  6. Step 6: Final answer
    x = 31,395.01

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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.