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Finding the Fourth Proportional to 50,897.93, 70,239.06 and 28,240.37

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Solution

The fourth proportional to 50,897.93, 70,239.06 and 28,240.37 is: 38,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,897.93 : 70,239.06 = 28,240.37 : x
  2. Step 2: Convert to fraction form
    50,897.93/70,239.06 = 28,240.37/x
  3. Step 3: Cross multiply
    50,897.93x = 70,239.06 × 28,240.37
  4. Step 4: Simplify right side
    50,897.93x = 1,983,577,218.45
  5. Step 5: Solve for x
    x = 1,983,577,218.45/50,897.93
  6. Step 6: Final answer
    x = 38,971.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.