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Finding the Fourth Proportional to 17,695.55, 24,420.95 and 9,739.53

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Solution

The fourth proportional to 17,695.55, 24,420.95 and 9,739.53 is: 13,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.55 : 24,420.95 = 9,739.53 : x
  2. Step 2: Convert to fraction form
    17,695.55/24,420.95 = 9,739.53/x
  3. Step 3: Cross multiply
    17,695.55x = 24,420.95 × 9,739.53
  4. Step 4: Simplify right side
    17,695.55x = 237,848,526.46
  5. Step 5: Solve for x
    x = 237,848,526.46/17,695.55
  6. Step 6: Final answer
    x = 13,441.15

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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.