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Finding the Fourth Proportional to 30,597.68, 45,857.64 and 16,730.48

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Solution

The fourth proportional to 30,597.68, 45,857.64 and 16,730.48 is: 25,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.68 : 45,857.64 = 16,730.48 : x
  2. Step 2: Convert to fraction form
    30,597.68/45,857.64 = 16,730.48/x
  3. Step 3: Cross multiply
    30,597.68x = 45,857.64 × 16,730.48
  4. Step 4: Simplify right side
    30,597.68x = 767,220,328.87
  5. Step 5: Solve for x
    x = 767,220,328.87/30,597.68
  6. Step 6: Final answer
    x = 25,074.46

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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.