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Finding the Fourth Proportional to 67,653.88, 93,360.45 and 37,440.46

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Solution

The fourth proportional to 67,653.88, 93,360.45 and 37,440.46 is: 51,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,653.88 : 93,360.45 = 37,440.46 : x
  2. Step 2: Convert to fraction form
    67,653.88/93,360.45 = 37,440.46/x
  3. Step 3: Cross multiply
    67,653.88x = 93,360.45 × 37,440.46
  4. Step 4: Simplify right side
    67,653.88x = 3,495,458,193.81
  5. Step 5: Solve for x
    x = 3,495,458,193.81/67,653.88
  6. Step 6: Final answer
    x = 51,666.78

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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.