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Finding the Fourth Proportional to 86,620.95, 119,545.34 and 52,622.01

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Solution

The fourth proportional to 86,620.95, 119,545.34 and 52,622.01 is: 72,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,620.95 : 119,545.34 = 52,622.01 : x
  2. Step 2: Convert to fraction form
    86,620.95/119,545.34 = 52,622.01/x
  3. Step 3: Cross multiply
    86,620.95x = 119,545.34 × 52,622.01
  4. Step 4: Simplify right side
    86,620.95x = 6,290,715,813.82
  5. Step 5: Solve for x
    x = 6,290,715,813.82/86,620.95
  6. Step 6: Final answer
    x = 72,623.49

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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.