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Finding the Fourth Proportional to 38,549.84, 57,824.04 and 12,256.16

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Solution

The fourth proportional to 38,549.84, 57,824.04 and 12,256.16 is: 18,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.84 : 57,824.04 = 12,256.16 : x
  2. Step 2: Convert to fraction form
    38,549.84/57,824.04 = 12,256.16/x
  3. Step 3: Cross multiply
    38,549.84x = 57,824.04 × 12,256.16
  4. Step 4: Simplify right side
    38,549.84x = 708,700,686.09
  5. Step 5: Solve for x
    x = 708,700,686.09/38,549.84
  6. Step 6: Final answer
    x = 18,384.01

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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.