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Finding the Fourth Proportional to 69,824.63, 96,341.59 and 39,602.99

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Solution

The fourth proportional to 69,824.63, 96,341.59 and 39,602.99 is: 54,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,824.63 : 96,341.59 = 39,602.99 : x
  2. Step 2: Convert to fraction form
    69,824.63/96,341.59 = 39,602.99/x
  3. Step 3: Cross multiply
    69,824.63x = 96,341.59 × 39,602.99
  4. Step 4: Simplify right side
    69,824.63x = 3,815,415,025.35
  5. Step 5: Solve for x
    x = 3,815,415,025.35/69,824.63
  6. Step 6: Final answer
    x = 54,642.82

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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.