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Finding the Fourth Proportional to 39,384.60, 59,076.90 and 37,051.80

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Solution

The fourth proportional to 39,384.60, 59,076.90 and 37,051.80 is: 55,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.60 : 59,076.90 = 37,051.80 : x
  2. Step 2: Convert to fraction form
    39,384.60/59,076.90 = 37,051.80/x
  3. Step 3: Cross multiply
    39,384.60x = 59,076.90 × 37,051.80
  4. Step 4: Simplify right side
    39,384.60x = 2,188,905,483.42
  5. Step 5: Solve for x
    x = 2,188,905,483.42/39,384.60
  6. Step 6: Final answer
    x = 55,577.70

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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.