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Finding the Fourth Proportional to 6,407.16, 8,841.51 and 3,574.83

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Solution

The fourth proportional to 6,407.16, 8,841.51 and 3,574.83 is: 4,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.16 : 8,841.51 = 3,574.83 : x
  2. Step 2: Convert to fraction form
    6,407.16/8,841.51 = 3,574.83/x
  3. Step 3: Cross multiply
    6,407.16x = 8,841.51 × 3,574.83
  4. Step 4: Simplify right side
    6,407.16x = 31,606,895.19
  5. Step 5: Solve for x
    x = 31,606,895.19/6,407.16
  6. Step 6: Final answer
    x = 4,933.06

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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.