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Finding the Fourth Proportional to 25,304.60, 37,953.01 and 8,660.81

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Solution

The fourth proportional to 25,304.60, 37,953.01 and 8,660.81 is: 12,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.60 : 37,953.01 = 8,660.81 : x
  2. Step 2: Convert to fraction form
    25,304.60/37,953.01 = 8,660.81/x
  3. Step 3: Cross multiply
    25,304.60x = 37,953.01 × 8,660.81
  4. Step 4: Simplify right side
    25,304.60x = 328,703,881.77
  5. Step 5: Solve for x
    x = 328,703,881.77/25,304.60
  6. Step 6: Final answer
    x = 12,989.89

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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.