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Finding the Fourth Proportional to 49,873.34, 74,809.98 and 21,404.12

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Solution

The fourth proportional to 49,873.34, 74,809.98 and 21,404.12 is: 32,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,873.34 : 74,809.98 = 21,404.12 : x
  2. Step 2: Convert to fraction form
    49,873.34/74,809.98 = 21,404.12/x
  3. Step 3: Cross multiply
    49,873.34x = 74,809.98 × 21,404.12
  4. Step 4: Simplify right side
    49,873.34x = 1,601,241,415.07
  5. Step 5: Solve for x
    x = 1,601,241,415.07/49,873.34
  6. Step 6: Final answer
    x = 32,106.16

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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.