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Finding the Fourth Proportional to 1,359.50, 2,040.29 and 995.23

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Solution

The fourth proportional to 1,359.50, 2,040.29 and 995.23 is: 1,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.50 : 2,040.29 = 995.23 : x
  2. Step 2: Convert to fraction form
    1,359.50/2,040.29 = 995.23/x
  3. Step 3: Cross multiply
    1,359.50x = 2,040.29 × 995.23
  4. Step 4: Simplify right side
    1,359.50x = 2,030,547.74
  5. Step 5: Solve for x
    x = 2,030,547.74/1,359.50
  6. Step 6: Final answer
    x = 1,493.60

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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.