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Finding the Fourth Proportional to 66,090.88, 99,048.84 and 48,478.24

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Solution

The fourth proportional to 66,090.88, 99,048.84 and 48,478.24 is: 72,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.88 : 99,048.84 = 48,478.24 : x
  2. Step 2: Convert to fraction form
    66,090.88/99,048.84 = 48,478.24/x
  3. Step 3: Cross multiply
    66,090.88x = 99,048.84 × 48,478.24
  4. Step 4: Simplify right side
    66,090.88x = 4,801,713,437.24
  5. Step 5: Solve for x
    x = 4,801,713,437.24/66,090.88
  6. Step 6: Final answer
    x = 72,653.19

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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.