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Finding the Fourth Proportional to 76,363.71, 114,518.12 and 26,430.27

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Solution

The fourth proportional to 76,363.71, 114,518.12 and 26,430.27 is: 39,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.71 : 114,518.12 = 26,430.27 : x
  2. Step 2: Convert to fraction form
    76,363.71/114,518.12 = 26,430.27/x
  3. Step 3: Cross multiply
    76,363.71x = 114,518.12 × 26,430.27
  4. Step 4: Simplify right side
    76,363.71x = 3,026,744,699.34
  5. Step 5: Solve for x
    x = 3,026,744,699.34/76,363.71
  6. Step 6: Final answer
    x = 39,635.90

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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.