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Finding the Fourth Proportional to 32,428.55, 48,639.51 and 8,735.13

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Solution

The fourth proportional to 32,428.55, 48,639.51 and 8,735.13 is: 13,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.55 : 48,639.51 = 8,735.13 : x
  2. Step 2: Convert to fraction form
    32,428.55/48,639.51 = 8,735.13/x
  3. Step 3: Cross multiply
    32,428.55x = 48,639.51 × 8,735.13
  4. Step 4: Simplify right side
    32,428.55x = 424,872,442.99
  5. Step 5: Solve for x
    x = 424,872,442.99/32,428.55
  6. Step 6: Final answer
    x = 13,101.80

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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.