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Finding the Fourth Proportional to 67,699.95, 93,431.18 and 37,488.08

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Solution

The fourth proportional to 67,699.95, 93,431.18 and 37,488.08 is: 51,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.95 : 93,431.18 = 37,488.08 : x
  2. Step 2: Convert to fraction form
    67,699.95/93,431.18 = 37,488.08/x
  3. Step 3: Cross multiply
    67,699.95x = 93,431.18 × 37,488.08
  4. Step 4: Simplify right side
    67,699.95x = 3,502,555,083.18
  5. Step 5: Solve for x
    x = 3,502,555,083.18/67,699.95
  6. Step 6: Final answer
    x = 51,736.45

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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.