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Finding the Fourth Proportional to 32,980.83, 49,465.78 and 11,916.84

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Solution

The fourth proportional to 32,980.83, 49,465.78 and 11,916.84 is: 17,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.83 : 49,465.78 = 11,916.84 : x
  2. Step 2: Convert to fraction form
    32,980.83/49,465.78 = 11,916.84/x
  3. Step 3: Cross multiply
    32,980.83x = 49,465.78 × 11,916.84
  4. Step 4: Simplify right side
    32,980.83x = 589,475,785.74
  5. Step 5: Solve for x
    x = 589,475,785.74/32,980.83
  6. Step 6: Final answer
    x = 17,873.29

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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.