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Finding the Fourth Proportional to 5,368.48, 8,054.88 and 1,908.16

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Solution

The fourth proportional to 5,368.48, 8,054.88 and 1,908.16 is: 2,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.48 : 8,054.88 = 1,908.16 : x
  2. Step 2: Convert to fraction form
    5,368.48/8,054.88 = 1,908.16/x
  3. Step 3: Cross multiply
    5,368.48x = 8,054.88 × 1,908.16
  4. Step 4: Simplify right side
    5,368.48x = 15,369,999.82
  5. Step 5: Solve for x
    x = 15,369,999.82/5,368.48
  6. Step 6: Final answer
    x = 2,863.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.