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Finding the Fourth Proportional to 48,602.48, 72,903.71 and 11,666.48

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Solution

The fourth proportional to 48,602.48, 72,903.71 and 11,666.48 is: 17,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602.48 : 72,903.71 = 11,666.48 : x
  2. Step 2: Convert to fraction form
    48,602.48/72,903.71 = 11,666.48/x
  3. Step 3: Cross multiply
    48,602.48x = 72,903.71 × 11,666.48
  4. Step 4: Simplify right side
    48,602.48x = 850,529,251.79
  5. Step 5: Solve for x
    x = 850,529,251.79/48,602.48
  6. Step 6: Final answer
    x = 17,499.71

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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.