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Finding the Fourth Proportional to 39,360.40, 59,040.60 and 16,003.60

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Solution

The fourth proportional to 39,360.40, 59,040.60 and 16,003.60 is: 24,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360.40 : 59,040.60 = 16,003.60 : x
  2. Step 2: Convert to fraction form
    39,360.40/59,040.60 = 16,003.60/x
  3. Step 3: Cross multiply
    39,360.40x = 59,040.60 × 16,003.60
  4. Step 4: Simplify right side
    39,360.40x = 944,862,146.16
  5. Step 5: Solve for x
    x = 944,862,146.16/39,360.40
  6. Step 6: Final answer
    x = 24,005.40

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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.