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Finding the Fourth Proportional to 17,010.40, 25,515.60 and 4,698.40

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Solution

The fourth proportional to 17,010.40, 25,515.60 and 4,698.40 is: 7,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,010.40 : 25,515.60 = 4,698.40 : x
  2. Step 2: Convert to fraction form
    17,010.40/25,515.60 = 4,698.40/x
  3. Step 3: Cross multiply
    17,010.40x = 25,515.60 × 4,698.40
  4. Step 4: Simplify right side
    17,010.40x = 119,882,495.04
  5. Step 5: Solve for x
    x = 119,882,495.04/17,010.40
  6. Step 6: Final answer
    x = 7,047.60

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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.