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Finding the Fourth Proportional to 67,340.64, 101,010.93 and 25,787.64

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Solution

The fourth proportional to 67,340.64, 101,010.93 and 25,787.64 is: 38,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,340.64 : 101,010.93 = 25,787.64 : x
  2. Step 2: Convert to fraction form
    67,340.64/101,010.93 = 25,787.64/x
  3. Step 3: Cross multiply
    67,340.64x = 101,010.93 × 25,787.64
  4. Step 4: Simplify right side
    67,340.64x = 2,604,833,498.91
  5. Step 5: Solve for x
    x = 2,604,833,498.91/67,340.64
  6. Step 6: Final answer
    x = 38,681.45

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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.