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Finding the Fourth Proportional to 53,667.47, 80,501.21 and 16,731.47

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Solution

The fourth proportional to 53,667.47, 80,501.21 and 16,731.47 is: 25,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.47 : 80,501.21 = 16,731.47 : x
  2. Step 2: Convert to fraction form
    53,667.47/80,501.21 = 16,731.47/x
  3. Step 3: Cross multiply
    53,667.47x = 80,501.21 × 16,731.47
  4. Step 4: Simplify right side
    53,667.47x = 1,346,903,697.67
  5. Step 5: Solve for x
    x = 1,346,903,697.67/53,667.47
  6. Step 6: Final answer
    x = 25,097.21

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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.