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Finding the Fourth Proportional to 67,278.71, 92,827.86 and 43,376.63

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Solution

The fourth proportional to 67,278.71, 92,827.86 and 43,376.63 is: 59,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,278.71 : 92,827.86 = 43,376.63 : x
  2. Step 2: Convert to fraction form
    67,278.71/92,827.86 = 43,376.63/x
  3. Step 3: Cross multiply
    67,278.71x = 92,827.86 × 43,376.63
  4. Step 4: Simplify right side
    67,278.71x = 4,026,559,110.11
  5. Step 5: Solve for x
    x = 4,026,559,110.11/67,278.71
  6. Step 6: Final answer
    x = 59,848.93

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1.5x scale

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.