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Finding the Fourth Proportional to 15,259.40, 22,900.81 and 6,828.51

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Solution

The fourth proportional to 15,259.40, 22,900.81 and 6,828.51 is: 10,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.40 : 22,900.81 = 6,828.51 : x
  2. Step 2: Convert to fraction form
    15,259.40/22,900.81 = 6,828.51/x
  3. Step 3: Cross multiply
    15,259.40x = 22,900.81 × 6,828.51
  4. Step 4: Simplify right side
    15,259.40x = 156,378,393.02
  5. Step 5: Solve for x
    x = 156,378,393.02/15,259.40
  6. Step 6: Final answer
    x = 10,248.01

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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.