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Finding the Fourth Proportional to 19,233.90, 28,854.90 and 6,087.60

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Solution

The fourth proportional to 19,233.90, 28,854.90 and 6,087.60 is: 9,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.90 : 28,854.90 = 6,087.60 : x
  2. Step 2: Convert to fraction form
    19,233.90/28,854.90 = 6,087.60/x
  3. Step 3: Cross multiply
    19,233.90x = 28,854.90 × 6,087.60
  4. Step 4: Simplify right side
    19,233.90x = 175,657,089.24
  5. Step 5: Solve for x
    x = 175,657,089.24/19,233.90
  6. Step 6: Final answer
    x = 9,132.68

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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.