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Finding the Fourth Proportional to 30,585.68, 45,883.08 and 10,862.58

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Solution

The fourth proportional to 30,585.68, 45,883.08 and 10,862.58 is: 16,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.68 : 45,883.08 = 10,862.58 : x
  2. Step 2: Convert to fraction form
    30,585.68/45,883.08 = 10,862.58/x
  3. Step 3: Cross multiply
    30,585.68x = 45,883.08 × 10,862.58
  4. Step 4: Simplify right side
    30,585.68x = 498,408,627.15
  5. Step 5: Solve for x
    x = 498,408,627.15/30,585.68
  6. Step 6: Final answer
    x = 16,295.49

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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.