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Finding the Fourth Proportional to 6,435.52, 8,878.95 and 3,602.48

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Solution

The fourth proportional to 6,435.52, 8,878.95 and 3,602.48 is: 4,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.52 : 8,878.95 = 3,602.48 : x
  2. Step 2: Convert to fraction form
    6,435.52/8,878.95 = 3,602.48/x
  3. Step 3: Cross multiply
    6,435.52x = 8,878.95 × 3,602.48
  4. Step 4: Simplify right side
    6,435.52x = 31,986,195.40
  5. Step 5: Solve for x
    x = 31,986,195.40/6,435.52
  6. Step 6: Final answer
    x = 4,970.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.