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Finding the Fourth Proportional to 17,504.80, 26,260.80 and 5,826.40

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Solution

The fourth proportional to 17,504.80, 26,260.80 and 5,826.40 is: 8,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,504.80 : 26,260.80 = 5,826.40 : x
  2. Step 2: Convert to fraction form
    17,504.80/26,260.80 = 5,826.40/x
  3. Step 3: Cross multiply
    17,504.80x = 26,260.80 × 5,826.40
  4. Step 4: Simplify right side
    17,504.80x = 153,005,925.12
  5. Step 5: Solve for x
    x = 153,005,925.12/17,504.80
  6. Step 6: Final answer
    x = 8,740.80

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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.