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Finding the Fourth Proportional to 46,703.54, 70,054.64 and 21,729.62

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Solution

The fourth proportional to 46,703.54, 70,054.64 and 21,729.62 is: 32,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,703.54 : 70,054.64 = 21,729.62 : x
  2. Step 2: Convert to fraction form
    46,703.54/70,054.64 = 21,729.62/x
  3. Step 3: Cross multiply
    46,703.54x = 70,054.64 × 21,729.62
  4. Step 4: Simplify right side
    46,703.54x = 1,522,260,247.52
  5. Step 5: Solve for x
    x = 1,522,260,247.52/46,703.54
  6. Step 6: Final answer
    x = 32,594.11

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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.