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Finding the Fourth Proportional to 15,333.60, 23,000.40 and 12,563.40

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Solution

The fourth proportional to 15,333.60, 23,000.40 and 12,563.40 is: 18,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.60 : 23,000.40 = 12,563.40 : x
  2. Step 2: Convert to fraction form
    15,333.60/23,000.40 = 12,563.40/x
  3. Step 3: Cross multiply
    15,333.60x = 23,000.40 × 12,563.40
  4. Step 4: Simplify right side
    15,333.60x = 288,963,225.36
  5. Step 5: Solve for x
    x = 288,963,225.36/15,333.60
  6. Step 6: Final answer
    x = 18,845.10

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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.