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Finding the Fourth Proportional to 37,263.92, 51,421.92 and 21,344.72

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Solution

The fourth proportional to 37,263.92, 51,421.92 and 21,344.72 is: 29,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,263.92 : 51,421.92 = 21,344.72 : x
  2. Step 2: Convert to fraction form
    37,263.92/51,421.92 = 21,344.72/x
  3. Step 3: Cross multiply
    37,263.92x = 51,421.92 × 21,344.72
  4. Step 4: Simplify right side
    37,263.92x = 1,097,586,484.26
  5. Step 5: Solve for x
    x = 1,097,586,484.26/37,263.92
  6. Step 6: Final answer
    x = 29,454.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.