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Finding the Fourth Proportional to 46,858.60, 70,210.14 and 32,978.44

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Solution

The fourth proportional to 46,858.60, 70,210.14 and 32,978.44 is: 49,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,858.60 : 70,210.14 = 32,978.44 : x
  2. Step 2: Convert to fraction form
    46,858.60/70,210.14 = 32,978.44/x
  3. Step 3: Cross multiply
    46,858.60x = 70,210.14 × 32,978.44
  4. Step 4: Simplify right side
    46,858.60x = 2,315,420,889.38
  5. Step 5: Solve for x
    x = 2,315,420,889.38/46,858.60
  6. Step 6: Final answer
    x = 49,412.93

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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.