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Finding the Fourth Proportional to 30,464.73, 42,041.03 and 17,035.83

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Solution

The fourth proportional to 30,464.73, 42,041.03 and 17,035.83 is: 23,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,464.73 : 42,041.03 = 17,035.83 : x
  2. Step 2: Convert to fraction form
    30,464.73/42,041.03 = 17,035.83/x
  3. Step 3: Cross multiply
    30,464.73x = 42,041.03 × 17,035.83
  4. Step 4: Simplify right side
    30,464.73x = 716,203,672.49
  5. Step 5: Solve for x
    x = 716,203,672.49/30,464.73
  6. Step 6: Final answer
    x = 23,509.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.