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Finding the Fourth Proportional to 32,960, 45,485.76 and 18,056.96

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Solution

The fourth proportional to 32,960, 45,485.76 and 18,056.96 is: 24,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,960 : 45,485.76 = 18,056.96 : x
  2. Step 2: Convert to fraction form
    32,960/45,485.76 = 18,056.96/x
  3. Step 3: Cross multiply
    32,960x = 45,485.76 × 18,056.96
  4. Step 4: Simplify right side
    32,960x = 821,334,548.89
  5. Step 5: Solve for x
    x = 821,334,548.89/32,960
  6. Step 6: Final answer
    x = 24,919.13

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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.