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Finding the Fourth Proportional to 66,665.65, 92,004.29 and 37,994.08

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Solution

The fourth proportional to 66,665.65, 92,004.29 and 37,994.08 is: 52,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,665.65 : 92,004.29 = 37,994.08 : x
  2. Step 2: Convert to fraction form
    66,665.65/92,004.29 = 37,994.08/x
  3. Step 3: Cross multiply
    66,665.65x = 92,004.29 × 37,994.08
  4. Step 4: Simplify right side
    66,665.65x = 3,495,618,164.63
  5. Step 5: Solve for x
    x = 3,495,618,164.63/66,665.65
  6. Step 6: Final answer
    x = 52,435.07

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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.