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Finding the Fourth Proportional to 74,673.60, 112,042.80 and 37,737.60

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Solution

The fourth proportional to 74,673.60, 112,042.80 and 37,737.60 is: 56,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,673.60 : 112,042.80 = 37,737.60 : x
  2. Step 2: Convert to fraction form
    74,673.60/112,042.80 = 37,737.60/x
  3. Step 3: Cross multiply
    74,673.60x = 112,042.80 × 37,737.60
  4. Step 4: Simplify right side
    74,673.60x = 4,228,226,369.28
  5. Step 5: Solve for x
    x = 4,228,226,369.28/74,673.60
  6. Step 6: Final answer
    x = 56,622.77

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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.