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Finding the Fourth Proportional to 66,266.16, 91,446.64 and 37,591.08

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Solution

The fourth proportional to 66,266.16, 91,446.64 and 37,591.08 is: 51,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.16 : 91,446.64 = 37,591.08 : x
  2. Step 2: Convert to fraction form
    66,266.16/91,446.64 = 37,591.08/x
  3. Step 3: Cross multiply
    66,266.16x = 91,446.64 × 37,591.08
  4. Step 4: Simplify right side
    66,266.16x = 3,437,577,959.97
  5. Step 5: Solve for x
    x = 3,437,577,959.97/66,266.16
  6. Step 6: Final answer
    x = 51,875.32

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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.