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Finding the Fourth Proportional to 12,280.52, 18,435.10 and 6,045.68

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Solution

The fourth proportional to 12,280.52, 18,435.10 and 6,045.68 is: 9,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.52 : 18,435.10 = 6,045.68 : x
  2. Step 2: Convert to fraction form
    12,280.52/18,435.10 = 6,045.68/x
  3. Step 3: Cross multiply
    12,280.52x = 18,435.10 × 6,045.68
  4. Step 4: Simplify right side
    12,280.52x = 111,452,715.37
  5. Step 5: Solve for x
    x = 111,452,715.37/12,280.52
  6. Step 6: Final answer
    x = 9,075.57

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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.