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Finding the Fourth Proportional to 45,897.40, 68,872.02 and 19,599.40

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Solution

The fourth proportional to 45,897.40, 68,872.02 and 19,599.40 is: 29,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,897.40 : 68,872.02 = 19,599.40 : x
  2. Step 2: Convert to fraction form
    45,897.40/68,872.02 = 19,599.40/x
  3. Step 3: Cross multiply
    45,897.40x = 68,872.02 × 19,599.40
  4. Step 4: Simplify right side
    45,897.40x = 1,349,850,268.79
  5. Step 5: Solve for x
    x = 1,349,850,268.79/45,897.40
  6. Step 6: Final answer
    x = 29,410.17

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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.