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Finding the Fourth Proportional to 32,103.44, 48,157.64 and 9,916.72

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Solution

The fourth proportional to 32,103.44, 48,157.64 and 9,916.72 is: 14,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,103.44 : 48,157.64 = 9,916.72 : x
  2. Step 2: Convert to fraction form
    32,103.44/48,157.64 = 9,916.72/x
  3. Step 3: Cross multiply
    32,103.44x = 48,157.64 × 9,916.72
  4. Step 4: Simplify right side
    32,103.44x = 477,565,831.74
  5. Step 5: Solve for x
    x = 477,565,831.74/32,103.44
  6. Step 6: Final answer
    x = 14,875.85

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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.