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Finding the Fourth Proportional to 66,574.64, 91,880.52 and 37,901.36

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Solution

The fourth proportional to 66,574.64, 91,880.52 and 37,901.36 is: 52,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.64 : 91,880.52 = 37,901.36 : x
  2. Step 2: Convert to fraction form
    66,574.64/91,880.52 = 37,901.36/x
  3. Step 3: Cross multiply
    66,574.64x = 91,880.52 × 37,901.36
  4. Step 4: Simplify right side
    66,574.64x = 3,482,396,665.51
  5. Step 5: Solve for x
    x = 3,482,396,665.51/66,574.64
  6. Step 6: Final answer
    x = 52,308.16

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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.