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Finding the Fourth Proportional to 39,683.61, 59,478.48 and 17,450.48

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Solution

The fourth proportional to 39,683.61, 59,478.48 and 17,450.48 is: 26,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.61 : 59,478.48 = 17,450.48 : x
  2. Step 2: Convert to fraction form
    39,683.61/59,478.48 = 17,450.48/x
  3. Step 3: Cross multiply
    39,683.61x = 59,478.48 × 17,450.48
  4. Step 4: Simplify right side
    39,683.61x = 1,037,928,025.67
  5. Step 5: Solve for x
    x = 1,037,928,025.67/39,683.61
  6. Step 6: Final answer
    x = 26,155.08

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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.