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Finding the Fourth Proportional to 46,957.25, 70,440.00 and 20,655.84

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Solution

The fourth proportional to 46,957.25, 70,440.00 and 20,655.84 is: 30,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,957.25 : 70,440.00 = 20,655.84 : x
  2. Step 2: Convert to fraction form
    46,957.25/70,440.00 = 20,655.84/x
  3. Step 3: Cross multiply
    46,957.25x = 70,440.00 × 20,655.84
  4. Step 4: Simplify right side
    46,957.25x = 1,454,997,556.29
  5. Step 5: Solve for x
    x = 1,454,997,556.29/46,957.25
  6. Step 6: Final answer
    x = 30,985.58

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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.