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Finding the Fourth Proportional to 32,708.70, 49,063.05 and 12,977.10

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Solution

The fourth proportional to 32,708.70, 49,063.05 and 12,977.10 is: 19,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.70 : 49,063.05 = 12,977.10 : x
  2. Step 2: Convert to fraction form
    32,708.70/49,063.05 = 12,977.10/x
  3. Step 3: Cross multiply
    32,708.70x = 49,063.05 × 12,977.10
  4. Step 4: Simplify right side
    32,708.70x = 636,696,106.16
  5. Step 5: Solve for x
    x = 636,696,106.16/32,708.70
  6. Step 6: Final answer
    x = 19,465.65

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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.