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Finding the Fourth Proportional to 52,989.63, 73,126.71 and 29,114.88

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Solution

The fourth proportional to 52,989.63, 73,126.71 and 29,114.88 is: 40,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,989.63 : 73,126.71 = 29,114.88 : x
  2. Step 2: Convert to fraction form
    52,989.63/73,126.71 = 29,114.88/x
  3. Step 3: Cross multiply
    52,989.63x = 73,126.71 × 29,114.88
  4. Step 4: Simplify right side
    52,989.63x = 2,129,075,386.44
  5. Step 5: Solve for x
    x = 2,129,075,386.44/52,989.63
  6. Step 6: Final answer
    x = 40,179.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.