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Finding the Fourth Proportional to 32,557.50, 44,931.60 and 18,410.40

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Solution

The fourth proportional to 32,557.50, 44,931.60 and 18,410.40 is: 25,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,557.50 : 44,931.60 = 18,410.40 : x
  2. Step 2: Convert to fraction form
    32,557.50/44,931.60 = 18,410.40/x
  3. Step 3: Cross multiply
    32,557.50x = 44,931.60 × 18,410.40
  4. Step 4: Simplify right side
    32,557.50x = 827,208,728.64
  5. Step 5: Solve for x
    x = 827,208,728.64/32,557.50
  6. Step 6: Final answer
    x = 25,407.62

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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.