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Finding the Fourth Proportional to 67,657.56, 93,368.28 and 37,442.81

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Solution

The fourth proportional to 67,657.56, 93,368.28 and 37,442.81 is: 51,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,657.56 : 93,368.28 = 37,442.81 : x
  2. Step 2: Convert to fraction form
    67,657.56/93,368.28 = 37,442.81/x
  3. Step 3: Cross multiply
    67,657.56x = 93,368.28 × 37,442.81
  4. Step 4: Simplify right side
    67,657.56x = 3,495,970,301.23
  5. Step 5: Solve for x
    x = 3,495,970,301.23/67,657.56
  6. Step 6: Final answer
    x = 51,671.54

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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.