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Finding the Fourth Proportional to 48,222.79, 72,341.03 and 14,945.47

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Solution

The fourth proportional to 48,222.79, 72,341.03 and 14,945.47 is: 22,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,222.79 : 72,341.03 = 14,945.47 : x
  2. Step 2: Convert to fraction form
    48,222.79/72,341.03 = 14,945.47/x
  3. Step 3: Cross multiply
    48,222.79x = 72,341.03 × 14,945.47
  4. Step 4: Simplify right side
    48,222.79x = 1,081,170,693.63
  5. Step 5: Solve for x
    x = 1,081,170,693.63/48,222.79
  6. Step 6: Final answer
    x = 22,420.33

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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.