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Finding the Fourth Proportional to 15,359.51, 23,039.11 and 7,037.17

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Solution

The fourth proportional to 15,359.51, 23,039.11 and 7,037.17 is: 10,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.51 : 23,039.11 = 7,037.17 : x
  2. Step 2: Convert to fraction form
    15,359.51/23,039.11 = 7,037.17/x
  3. Step 3: Cross multiply
    15,359.51x = 23,039.11 × 7,037.17
  4. Step 4: Simplify right side
    15,359.51x = 162,130,133.72
  5. Step 5: Solve for x
    x = 162,130,133.72/15,359.51
  6. Step 6: Final answer
    x = 10,555.68

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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.