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Finding the Fourth Proportional to 77,246.79, 115,841.02 and 35,664.63

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Solution

The fourth proportional to 77,246.79, 115,841.02 and 35,664.63 is: 53,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,246.79 : 115,841.02 = 35,664.63 : x
  2. Step 2: Convert to fraction form
    77,246.79/115,841.02 = 35,664.63/x
  3. Step 3: Cross multiply
    77,246.79x = 115,841.02 × 35,664.63
  4. Step 4: Simplify right side
    77,246.79x = 4,131,427,117.12
  5. Step 5: Solve for x
    x = 4,131,427,117.12/77,246.79
  6. Step 6: Final answer
    x = 53,483.48

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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.