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Finding the Fourth Proportional to 46,753.86, 70,130.80 and 11,693.52

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Solution

The fourth proportional to 46,753.86, 70,130.80 and 11,693.52 is: 17,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,753.86 : 70,130.80 = 11,693.52 : x
  2. Step 2: Convert to fraction form
    46,753.86/70,130.80 = 11,693.52/x
  3. Step 3: Cross multiply
    46,753.86x = 70,130.80 × 11,693.52
  4. Step 4: Simplify right side
    46,753.86x = 820,075,912.42
  5. Step 5: Solve for x
    x = 820,075,912.42/46,753.86
  6. Step 6: Final answer
    x = 17,540.28

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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.