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Finding the Fourth Proportional to 76,420.98, 114,632.84 and 26,502.84

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Solution

The fourth proportional to 76,420.98, 114,632.84 and 26,502.84 is: 39,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,420.98 : 114,632.84 = 26,502.84 : x
  2. Step 2: Convert to fraction form
    76,420.98/114,632.84 = 26,502.84/x
  3. Step 3: Cross multiply
    76,420.98x = 114,632.84 × 26,502.84
  4. Step 4: Simplify right side
    76,420.98x = 3,038,095,817.27
  5. Step 5: Solve for x
    x = 3,038,095,817.27/76,420.98
  6. Step 6: Final answer
    x = 39,754.74

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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.