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Finding the Fourth Proportional to 6,410.04, 8,840.88 and 4,051.32

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Solution

The fourth proportional to 6,410.04, 8,840.88 and 4,051.32 is: 5,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.04 : 8,840.88 = 4,051.32 : x
  2. Step 2: Convert to fraction form
    6,410.04/8,840.88 = 4,051.32/x
  3. Step 3: Cross multiply
    6,410.04x = 8,840.88 × 4,051.32
  4. Step 4: Simplify right side
    6,410.04x = 35,817,233.96
  5. Step 5: Solve for x
    x = 35,817,233.96/6,410.04
  6. Step 6: Final answer
    x = 5,587.68

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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.