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Finding the Fourth Proportional to 67,362.47, 92,968.88 and 56,012.45

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Solution

The fourth proportional to 67,362.47, 92,968.88 and 56,012.45 is: 77,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,362.47 : 92,968.88 = 56,012.45 : x
  2. Step 2: Convert to fraction form
    67,362.47/92,968.88 = 56,012.45/x
  3. Step 3: Cross multiply
    67,362.47x = 92,968.88 × 56,012.45
  4. Step 4: Simplify right side
    67,362.47x = 5,207,413,997.65
  5. Step 5: Solve for x
    x = 5,207,413,997.65/67,362.47
  6. Step 6: Final answer
    x = 77,304.39

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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.