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Finding the Fourth Proportional to 92,690.47, 139,033 and 22,568.77

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Solution

The fourth proportional to 92,690.47, 139,033 and 22,568.77 is: 33,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,690.47 : 139,033 = 22,568.77 : x
  2. Step 2: Convert to fraction form
    92,690.47/139,033 = 22,568.77/x
  3. Step 3: Cross multiply
    92,690.47x = 139,033 × 22,568.77
  4. Step 4: Simplify right side
    92,690.47x = 3,137,803,799.41
  5. Step 5: Solve for x
    x = 3,137,803,799.41/92,690.47
  6. Step 6: Final answer
    x = 33,852.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.