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Finding the Fourth Proportional to 68,698.49, 94,802.50 and 38,071.32

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Solution

The fourth proportional to 68,698.49, 94,802.50 and 38,071.32 is: 52,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,698.49 : 94,802.50 = 38,071.32 : x
  2. Step 2: Convert to fraction form
    68,698.49/94,802.50 = 38,071.32/x
  3. Step 3: Cross multiply
    68,698.49x = 94,802.50 × 38,071.32
  4. Step 4: Simplify right side
    68,698.49x = 3,609,256,123.94
  5. Step 5: Solve for x
    x = 3,609,256,123.94/68,698.49
  6. Step 6: Final answer
    x = 52,537.64

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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.