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Finding the Fourth Proportional to 62,964, 94,446.36 and 21,411.36

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Solution

The fourth proportional to 62,964, 94,446.36 and 21,411.36 is: 32,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964 : 94,446.36 = 21,411.36 : x
  2. Step 2: Convert to fraction form
    62,964/94,446.36 = 21,411.36/x
  3. Step 3: Cross multiply
    62,964x = 94,446.36 × 21,411.36
  4. Step 4: Simplify right side
    62,964x = 2,022,225,014.65
  5. Step 5: Solve for x
    x = 2,022,225,014.65/62,964
  6. Step 6: Final answer
    x = 32,117.16

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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.