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Finding the Fourth Proportional to 37,953.72, 56,931.84 and 14,258.88

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Solution

The fourth proportional to 37,953.72, 56,931.84 and 14,258.88 is: 21,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,953.72 : 56,931.84 = 14,258.88 : x
  2. Step 2: Convert to fraction form
    37,953.72/56,931.84 = 14,258.88/x
  3. Step 3: Cross multiply
    37,953.72x = 56,931.84 × 14,258.88
  4. Step 4: Simplify right side
    37,953.72x = 811,784,274.74
  5. Step 5: Solve for x
    x = 811,784,274.74/37,953.72
  6. Step 6: Final answer
    x = 21,388.79

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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.