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Finding the Fourth Proportional to 44,752.40, 67,051.80 and 21,328.40

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Solution

The fourth proportional to 44,752.40, 67,051.80 and 21,328.40 is: 31,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,752.40 : 67,051.80 = 21,328.40 : x
  2. Step 2: Convert to fraction form
    44,752.40/67,051.80 = 21,328.40/x
  3. Step 3: Cross multiply
    44,752.40x = 67,051.80 × 21,328.40
  4. Step 4: Simplify right side
    44,752.40x = 1,430,107,611.12
  5. Step 5: Solve for x
    x = 1,430,107,611.12/44,752.40
  6. Step 6: Final answer
    x = 31,956.00

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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.