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Finding the Fourth Proportional to 8,435.47, 12,653.20 and 2,592.08

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Solution

The fourth proportional to 8,435.47, 12,653.20 and 2,592.08 is: 3,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.47 : 12,653.20 = 2,592.08 : x
  2. Step 2: Convert to fraction form
    8,435.47/12,653.20 = 2,592.08/x
  3. Step 3: Cross multiply
    8,435.47x = 12,653.20 × 2,592.08
  4. Step 4: Simplify right side
    8,435.47x = 32,798,107.19
  5. Step 5: Solve for x
    x = 32,798,107.19/8,435.47
  6. Step 6: Final answer
    x = 3,888.12

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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.