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Finding the Fourth Proportional to 67,649.70, 93,356.70 and 37,436.28

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Solution

The fourth proportional to 67,649.70, 93,356.70 and 37,436.28 is: 51,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649.70 : 93,356.70 = 37,436.28 : x
  2. Step 2: Convert to fraction form
    67,649.70/93,356.70 = 37,436.28/x
  3. Step 3: Cross multiply
    67,649.70x = 93,356.70 × 37,436.28
  4. Step 4: Simplify right side
    67,649.70x = 3,494,927,561.08
  5. Step 5: Solve for x
    x = 3,494,927,561.08/67,649.70
  6. Step 6: Final answer
    x = 51,662.13

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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.