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Finding the Fourth Proportional to 26,570.40, 39,854.40 and 9,040.32

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Solution

The fourth proportional to 26,570.40, 39,854.40 and 9,040.32 is: 13,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.40 : 39,854.40 = 9,040.32 : x
  2. Step 2: Convert to fraction form
    26,570.40/39,854.40 = 9,040.32/x
  3. Step 3: Cross multiply
    26,570.40x = 39,854.40 × 9,040.32
  4. Step 4: Simplify right side
    26,570.40x = 360,296,529.41
  5. Step 5: Solve for x
    x = 360,296,529.41/26,570.40
  6. Step 6: Final answer
    x = 13,560.07

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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.