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Finding the Fourth Proportional to 32,130.18, 48,199.98 and 9,945.54

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Solution

The fourth proportional to 32,130.18, 48,199.98 and 9,945.54 is: 14,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.18 : 48,199.98 = 9,945.54 : x
  2. Step 2: Convert to fraction form
    32,130.18/48,199.98 = 9,945.54/x
  3. Step 3: Cross multiply
    32,130.18x = 48,199.98 × 9,945.54
  4. Step 4: Simplify right side
    32,130.18x = 479,374,829.09
  5. Step 5: Solve for x
    x = 479,374,829.09/32,130.18
  6. Step 6: Final answer
    x = 14,919.77

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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.