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Finding the Fourth Proportional to 60,256.40, 90,376.88 and 15,886.64

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Solution

The fourth proportional to 60,256.40, 90,376.88 and 15,886.64 is: 23,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,256.40 : 90,376.88 = 15,886.64 : x
  2. Step 2: Convert to fraction form
    60,256.40/90,376.88 = 15,886.64/x
  3. Step 3: Cross multiply
    60,256.40x = 90,376.88 × 15,886.64
  4. Step 4: Simplify right side
    60,256.40x = 1,435,784,956.88
  5. Step 5: Solve for x
    x = 1,435,784,956.88/60,256.40
  6. Step 6: Final answer
    x = 23,827.92

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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.