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Finding the Fourth Proportional to 46,752.87, 70,129.31 and 11,692.53

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Solution

The fourth proportional to 46,752.87, 70,129.31 and 11,692.53 is: 17,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,752.87 : 70,129.31 = 11,692.53 : x
  2. Step 2: Convert to fraction form
    46,752.87/70,129.31 = 11,692.53/x
  3. Step 3: Cross multiply
    46,752.87x = 70,129.31 × 11,692.53
  4. Step 4: Simplify right side
    46,752.87x = 819,989,061.05
  5. Step 5: Solve for x
    x = 819,989,061.05/46,752.87
  6. Step 6: Final answer
    x = 17,538.80

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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.