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Finding the Fourth Proportional to 47,953.88, 66,184.98 and 30,064.40

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Solution

The fourth proportional to 47,953.88, 66,184.98 and 30,064.40 is: 41,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,953.88 : 66,184.98 = 30,064.40 : x
  2. Step 2: Convert to fraction form
    47,953.88/66,184.98 = 30,064.40/x
  3. Step 3: Cross multiply
    47,953.88x = 66,184.98 × 30,064.40
  4. Step 4: Simplify right side
    47,953.88x = 1,989,811,712.71
  5. Step 5: Solve for x
    x = 1,989,811,712.71/47,953.88
  6. Step 6: Final answer
    x = 41,494.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.