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Finding the Fourth Proportional to 66,033.32, 99,066 and 37,971.32

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Solution

The fourth proportional to 66,033.32, 99,066 and 37,971.32 is: 56,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.32 : 99,066 = 37,971.32 : x
  2. Step 2: Convert to fraction form
    66,033.32/99,066 = 37,971.32/x
  3. Step 3: Cross multiply
    66,033.32x = 99,066 × 37,971.32
  4. Step 4: Simplify right side
    66,033.32x = 3,761,666,787.12
  5. Step 5: Solve for x
    x = 3,761,666,787.12/66,033.32
  6. Step 6: Final answer
    x = 56,966.19

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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.