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Finding the Fourth Proportional to 61,204.88, 91,794.36 and 19,642.16

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Solution

The fourth proportional to 61,204.88, 91,794.36 and 19,642.16 is: 29,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204.88 : 91,794.36 = 19,642.16 : x
  2. Step 2: Convert to fraction form
    61,204.88/91,794.36 = 19,642.16/x
  3. Step 3: Cross multiply
    61,204.88x = 91,794.36 × 19,642.16
  4. Step 4: Simplify right side
    61,204.88x = 1,803,039,506.22
  5. Step 5: Solve for x
    x = 1,803,039,506.22/61,204.88
  6. Step 6: Final answer
    x = 29,459.08

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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.