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Finding the Fourth Proportional to 6,435.93, 8,875.80 and 4,418.42

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Solution

The fourth proportional to 6,435.93, 8,875.80 and 4,418.42 is: 6,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.93 : 8,875.80 = 4,418.42 : x
  2. Step 2: Convert to fraction form
    6,435.93/8,875.80 = 4,418.42/x
  3. Step 3: Cross multiply
    6,435.93x = 8,875.80 × 4,418.42
  4. Step 4: Simplify right side
    6,435.93x = 39,217,055.17
  5. Step 5: Solve for x
    x = 39,217,055.17/6,435.93
  6. Step 6: Final answer
    x = 6,093.45

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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.