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Finding the Fourth Proportional to 35,318.94, 52,972.02 and 14,258.10

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Solution

The fourth proportional to 35,318.94, 52,972.02 and 14,258.10 is: 21,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.94 : 52,972.02 = 14,258.10 : x
  2. Step 2: Convert to fraction form
    35,318.94/52,972.02 = 14,258.10/x
  3. Step 3: Cross multiply
    35,318.94x = 52,972.02 × 14,258.10
  4. Step 4: Simplify right side
    35,318.94x = 755,280,358.36
  5. Step 5: Solve for x
    x = 755,280,358.36/35,318.94
  6. Step 6: Final answer
    x = 21,384.57

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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.