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Finding the Fourth Proportional to 30,559.74, 45,846.80 and 9,498.72

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Solution

The fourth proportional to 30,559.74, 45,846.80 and 9,498.72 is: 14,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.74 : 45,846.80 = 9,498.72 : x
  2. Step 2: Convert to fraction form
    30,559.74/45,846.80 = 9,498.72/x
  3. Step 3: Cross multiply
    30,559.74x = 45,846.80 × 9,498.72
  4. Step 4: Simplify right side
    30,559.74x = 435,485,916.10
  5. Step 5: Solve for x
    x = 435,485,916.10/30,559.74
  6. Step 6: Final answer
    x = 14,250.31

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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.