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Finding the Fourth Proportional to 57,599.04, 79,518.03 and 39,789.84

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Solution

The fourth proportional to 57,599.04, 79,518.03 and 39,789.84 is: 54,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,599.04 : 79,518.03 = 39,789.84 : x
  2. Step 2: Convert to fraction form
    57,599.04/79,518.03 = 39,789.84/x
  3. Step 3: Cross multiply
    57,599.04x = 79,518.03 × 39,789.84
  4. Step 4: Simplify right side
    57,599.04x = 3,164,009,690.82
  5. Step 5: Solve for x
    x = 3,164,009,690.82/57,599.04
  6. Step 6: Final answer
    x = 54,931.64

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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.