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Finding the Fourth Proportional to 66,056.49, 99,114.09 and 26,690.49

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Solution

The fourth proportional to 66,056.49, 99,114.09 and 26,690.49 is: 40,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,056.49 : 99,114.09 = 26,690.49 : x
  2. Step 2: Convert to fraction form
    66,056.49/99,114.09 = 26,690.49/x
  3. Step 3: Cross multiply
    66,056.49x = 99,114.09 × 26,690.49
  4. Step 4: Simplify right side
    66,056.49x = 2,645,403,628.00
  5. Step 5: Solve for x
    x = 2,645,403,628.00/66,056.49
  6. Step 6: Final answer
    x = 40,047.60

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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.