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Finding the Fourth Proportional to 66,075.30, 99,123.84 and 26,629.08

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Solution

The fourth proportional to 66,075.30, 99,123.84 and 26,629.08 is: 39,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.30 : 99,123.84 = 26,629.08 : x
  2. Step 2: Convert to fraction form
    66,075.30/99,123.84 = 26,629.08/x
  3. Step 3: Cross multiply
    66,075.30x = 99,123.84 × 26,629.08
  4. Step 4: Simplify right side
    66,075.30x = 2,639,576,665.27
  5. Step 5: Solve for x
    x = 2,639,576,665.27/66,075.30
  6. Step 6: Final answer
    x = 39,948.01

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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.