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Finding the Fourth Proportional to 6,457.41, 8,907.66 and 3,804.48

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Solution

The fourth proportional to 6,457.41, 8,907.66 and 3,804.48 is: 5,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.41 : 8,907.66 = 3,804.48 : x
  2. Step 2: Convert to fraction form
    6,457.41/8,907.66 = 3,804.48/x
  3. Step 3: Cross multiply
    6,457.41x = 8,907.66 × 3,804.48
  4. Step 4: Simplify right side
    6,457.41x = 33,889,014.32
  5. Step 5: Solve for x
    x = 33,889,014.32/6,457.41
  6. Step 6: Final answer
    x = 5,248.08

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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.