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Finding the Fourth Proportional to 12,075.01, 18,110.97 and 4,674.40

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Solution

The fourth proportional to 12,075.01, 18,110.97 and 4,674.40 is: 7,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.01 : 18,110.97 = 4,674.40 : x
  2. Step 2: Convert to fraction form
    12,075.01/18,110.97 = 4,674.40/x
  3. Step 3: Cross multiply
    12,075.01x = 18,110.97 × 4,674.40
  4. Step 4: Simplify right side
    12,075.01x = 84,657,872.89
  5. Step 5: Solve for x
    x = 84,657,872.89/12,075.01
  6. Step 6: Final answer
    x = 7,011.00

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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.