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Finding the Fourth Proportional to 26,838.72, 40,248 and 9,304.32

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Solution

The fourth proportional to 26,838.72, 40,248 and 9,304.32 is: 13,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.72 : 40,248 = 9,304.32 : x
  2. Step 2: Convert to fraction form
    26,838.72/40,248 = 9,304.32/x
  3. Step 3: Cross multiply
    26,838.72x = 40,248 × 9,304.32
  4. Step 4: Simplify right side
    26,838.72x = 374,480,271.36
  5. Step 5: Solve for x
    x = 374,480,271.36/26,838.72
  6. Step 6: Final answer
    x = 13,952.99

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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.