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Finding the Fourth Proportional to 76,374.30, 114,561.44 and 23,787.89

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Solution

The fourth proportional to 76,374.30, 114,561.44 and 23,787.89 is: 35,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374.30 : 114,561.44 = 23,787.89 : x
  2. Step 2: Convert to fraction form
    76,374.30/114,561.44 = 23,787.89/x
  3. Step 3: Cross multiply
    76,374.30x = 114,561.44 × 23,787.89
  4. Step 4: Simplify right side
    76,374.30x = 2,725,174,330.42
  5. Step 5: Solve for x
    x = 2,725,174,330.42/76,374.30
  6. Step 6: Final answer
    x = 35,681.82

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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.