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Finding the Fourth Proportional to 48,216.79, 72,332.03 and 14,939.47

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Solution

The fourth proportional to 48,216.79, 72,332.03 and 14,939.47 is: 22,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,216.79 : 72,332.03 = 14,939.47 : x
  2. Step 2: Convert to fraction form
    48,216.79/72,332.03 = 14,939.47/x
  3. Step 3: Cross multiply
    48,216.79x = 72,332.03 × 14,939.47
  4. Step 4: Simplify right side
    48,216.79x = 1,080,602,117.53
  5. Step 5: Solve for x
    x = 1,080,602,117.53/48,216.79
  6. Step 6: Final answer
    x = 22,411.32

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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.