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Finding the Fourth Proportional to 64,830.42, 97,245.63 and 15,582.42

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Solution

The fourth proportional to 64,830.42, 97,245.63 and 15,582.42 is: 23,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.42 : 97,245.63 = 15,582.42 : x
  2. Step 2: Convert to fraction form
    64,830.42/97,245.63 = 15,582.42/x
  3. Step 3: Cross multiply
    64,830.42x = 97,245.63 × 15,582.42
  4. Step 4: Simplify right side
    64,830.42x = 1,515,322,249.82
  5. Step 5: Solve for x
    x = 1,515,322,249.82/64,830.42
  6. Step 6: Final answer
    x = 23,373.63

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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.