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Finding the Fourth Proportional to 38,677.71, 53,374.86 and 35,503.86

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Solution

The fourth proportional to 38,677.71, 53,374.86 and 35,503.86 is: 48,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677.71 : 53,374.86 = 35,503.86 : x
  2. Step 2: Convert to fraction form
    38,677.71/53,374.86 = 35,503.86/x
  3. Step 3: Cross multiply
    38,677.71x = 53,374.86 × 35,503.86
  4. Step 4: Simplify right side
    38,677.71x = 1,895,013,556.96
  5. Step 5: Solve for x
    x = 1,895,013,556.96/38,677.71
  6. Step 6: Final answer
    x = 48,994.98

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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.