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Finding the Fourth Proportional to 46,698.30, 70,026.39 and 13,410.81

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Solution

The fourth proportional to 46,698.30, 70,026.39 and 13,410.81 is: 20,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,698.30 : 70,026.39 = 13,410.81 : x
  2. Step 2: Convert to fraction form
    46,698.30/70,026.39 = 13,410.81/x
  3. Step 3: Cross multiply
    46,698.30x = 70,026.39 × 13,410.81
  4. Step 4: Simplify right side
    46,698.30x = 939,110,611.28
  5. Step 5: Solve for x
    x = 939,110,611.28/46,698.30
  6. Step 6: Final answer
    x = 20,110.17

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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.