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Finding the Fourth Proportional to 60,645.44, 90,980.76 and 25,585.40

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Solution

The fourth proportional to 60,645.44, 90,980.76 and 25,585.40 is: 38,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.44 : 90,980.76 = 25,585.40 : x
  2. Step 2: Convert to fraction form
    60,645.44/90,980.76 = 25,585.40/x
  3. Step 3: Cross multiply
    60,645.44x = 90,980.76 × 25,585.40
  4. Step 4: Simplify right side
    60,645.44x = 2,327,778,682.00
  5. Step 5: Solve for x
    x = 2,327,778,682.00/60,645.44
  6. Step 6: Final answer
    x = 38,383.41

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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.