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Finding the Fourth Proportional to 15,365.56, 23,053.02 and 7,975.30

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Solution

The fourth proportional to 15,365.56, 23,053.02 and 7,975.30 is: 11,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.56 : 23,053.02 = 7,975.30 : x
  2. Step 2: Convert to fraction form
    15,365.56/23,053.02 = 7,975.30/x
  3. Step 3: Cross multiply
    15,365.56x = 23,053.02 × 7,975.30
  4. Step 4: Simplify right side
    15,365.56x = 183,854,750.41
  5. Step 5: Solve for x
    x = 183,854,750.41/15,365.56
  6. Step 6: Final answer
    x = 11,965.38

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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.