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Finding the Fourth Proportional to 6,386.32, 8,808.12 and 4,370.93

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Solution

The fourth proportional to 6,386.32, 8,808.12 and 4,370.93 is: 6,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.32 : 8,808.12 = 4,370.93 : x
  2. Step 2: Convert to fraction form
    6,386.32/8,808.12 = 4,370.93/x
  3. Step 3: Cross multiply
    6,386.32x = 8,808.12 × 4,370.93
  4. Step 4: Simplify right side
    6,386.32x = 38,499,664.94
  5. Step 5: Solve for x
    x = 38,499,664.94/6,386.32
  6. Step 6: Final answer
    x = 6,028.46

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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.