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Finding the Fourth Proportional to 46,808.20, 70,210.14 and 11,747.08

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Solution

The fourth proportional to 46,808.20, 70,210.14 and 11,747.08 is: 17,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,808.20 : 70,210.14 = 11,747.08 : x
  2. Step 2: Convert to fraction form
    46,808.20/70,210.14 = 11,747.08/x
  3. Step 3: Cross multiply
    46,808.20x = 70,210.14 × 11,747.08
  4. Step 4: Simplify right side
    46,808.20x = 824,764,131.39
  5. Step 5: Solve for x
    x = 824,764,131.39/46,808.20
  6. Step 6: Final answer
    x = 17,620.08

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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.