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Finding the Fourth Proportional to 60,972.60, 91,488.04 and 37,644.60

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Solution

The fourth proportional to 60,972.60, 91,488.04 and 37,644.60 is: 56,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,972.60 : 91,488.04 = 37,644.60 : x
  2. Step 2: Convert to fraction form
    60,972.60/91,488.04 = 37,644.60/x
  3. Step 3: Cross multiply
    60,972.60x = 91,488.04 × 37,644.60
  4. Step 4: Simplify right side
    60,972.60x = 3,444,030,670.58
  5. Step 5: Solve for x
    x = 3,444,030,670.58/60,972.60
  6. Step 6: Final answer
    x = 56,484.89

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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.