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Finding the Fourth Proportional to 18,050.54, 27,075.81 and 7,655.54

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Solution

The fourth proportional to 18,050.54, 27,075.81 and 7,655.54 is: 11,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.54 : 27,075.81 = 7,655.54 : x
  2. Step 2: Convert to fraction form
    18,050.54/27,075.81 = 7,655.54/x
  3. Step 3: Cross multiply
    18,050.54x = 27,075.81 × 7,655.54
  4. Step 4: Simplify right side
    18,050.54x = 207,279,946.49
  5. Step 5: Solve for x
    x = 207,279,946.49/18,050.54
  6. Step 6: Final answer
    x = 11,483.31

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1.5x scale

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.