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Finding the Fourth Proportional to 19,576.08, 29,364.04 and 4,785.08

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Solution

The fourth proportional to 19,576.08, 29,364.04 and 4,785.08 is: 7,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.08 : 29,364.04 = 4,785.08 : x
  2. Step 2: Convert to fraction form
    19,576.08/29,364.04 = 4,785.08/x
  3. Step 3: Cross multiply
    19,576.08x = 29,364.04 × 4,785.08
  4. Step 4: Simplify right side
    19,576.08x = 140,509,280.52
  5. Step 5: Solve for x
    x = 140,509,280.52/19,576.08
  6. Step 6: Final answer
    x = 7,177.60

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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.