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Finding the Fourth Proportional to 39,885.60, 59,828.40 and 23,264.40

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Solution

The fourth proportional to 39,885.60, 59,828.40 and 23,264.40 is: 34,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885.60 : 59,828.40 = 23,264.40 : x
  2. Step 2: Convert to fraction form
    39,885.60/59,828.40 = 23,264.40/x
  3. Step 3: Cross multiply
    39,885.60x = 59,828.40 × 23,264.40
  4. Step 4: Simplify right side
    39,885.60x = 1,391,871,828.96
  5. Step 5: Solve for x
    x = 1,391,871,828.96/39,885.60
  6. Step 6: Final answer
    x = 34,896.60

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Similar ratio
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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.