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Finding the Fourth Proportional to 8,574.93, 11,832.48 and 5,038.20

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Solution

The fourth proportional to 8,574.93, 11,832.48 and 5,038.20 is: 6,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.93 : 11,832.48 = 5,038.20 : x
  2. Step 2: Convert to fraction form
    8,574.93/11,832.48 = 5,038.20/x
  3. Step 3: Cross multiply
    8,574.93x = 11,832.48 × 5,038.20
  4. Step 4: Simplify right side
    8,574.93x = 59,614,400.74
  5. Step 5: Solve for x
    x = 59,614,400.74/8,574.93
  6. Step 6: Final answer
    x = 6,952.17

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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.