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Finding the Fourth Proportional to 67,905.52, 93,709.60 and 38,097.52

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Solution

The fourth proportional to 67,905.52, 93,709.60 and 38,097.52 is: 52,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905.52 : 93,709.60 = 38,097.52 : x
  2. Step 2: Convert to fraction form
    67,905.52/93,709.60 = 38,097.52/x
  3. Step 3: Cross multiply
    67,905.52x = 93,709.60 × 38,097.52
  4. Step 4: Simplify right side
    67,905.52x = 3,570,103,360.19
  5. Step 5: Solve for x
    x = 3,570,103,360.19/67,905.52
  6. Step 6: Final answer
    x = 52,574.57

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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.