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Finding the Fourth Proportional to 67,804.61, 93,538.94 and 43,938.99

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Solution

The fourth proportional to 67,804.61, 93,538.94 and 43,938.99 is: 60,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,804.61 : 93,538.94 = 43,938.99 : x
  2. Step 2: Convert to fraction form
    67,804.61/93,538.94 = 43,938.99/x
  3. Step 3: Cross multiply
    67,804.61x = 93,538.94 × 43,938.99
  4. Step 4: Simplify right side
    67,804.61x = 4,110,006,329.58
  5. Step 5: Solve for x
    x = 4,110,006,329.58/67,804.61
  6. Step 6: Final answer
    x = 60,615.45

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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.