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Finding the Fourth Proportional to 64,418.90, 88,897.91 and 36,125.19

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Solution

The fourth proportional to 64,418.90, 88,897.91 and 36,125.19 is: 49,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.90 : 88,897.91 = 36,125.19 : x
  2. Step 2: Convert to fraction form
    64,418.90/88,897.91 = 36,125.19/x
  3. Step 3: Cross multiply
    64,418.90x = 88,897.91 × 36,125.19
  4. Step 4: Simplify right side
    64,418.90x = 3,211,453,708.73
  5. Step 5: Solve for x
    x = 3,211,453,708.73/64,418.90
  6. Step 6: Final answer
    x = 49,852.67

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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.