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Finding the Fourth Proportional to 15,603.60, 23,405.40 and 14,874.60

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Solution

The fourth proportional to 15,603.60, 23,405.40 and 14,874.60 is: 22,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.60 : 23,405.40 = 14,874.60 : x
  2. Step 2: Convert to fraction form
    15,603.60/23,405.40 = 14,874.60/x
  3. Step 3: Cross multiply
    15,603.60x = 23,405.40 × 14,874.60
  4. Step 4: Simplify right side
    15,603.60x = 348,145,962.84
  5. Step 5: Solve for x
    x = 348,145,962.84/15,603.60
  6. Step 6: Final answer
    x = 22,311.90

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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.