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Finding the Fourth Proportional to 74,590.34, 102,934.62 and 41,056.34

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Solution

The fourth proportional to 74,590.34, 102,934.62 and 41,056.34 is: 56,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,590.34 : 102,934.62 = 41,056.34 : x
  2. Step 2: Convert to fraction form
    74,590.34/102,934.62 = 41,056.34/x
  3. Step 3: Cross multiply
    74,590.34x = 102,934.62 × 41,056.34
  4. Step 4: Simplify right side
    74,590.34x = 4,226,118,241.82
  5. Step 5: Solve for x
    x = 4,226,118,241.82/74,590.34
  6. Step 6: Final answer
    x = 56,657.72

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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.