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Finding the Fourth Proportional to 9,008.60, 12,430.35 and 5,029.73

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Solution

The fourth proportional to 9,008.60, 12,430.35 and 5,029.73 is: 6,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.60 : 12,430.35 = 5,029.73 : x
  2. Step 2: Convert to fraction form
    9,008.60/12,430.35 = 5,029.73/x
  3. Step 3: Cross multiply
    9,008.60x = 12,430.35 × 5,029.73
  4. Step 4: Simplify right side
    9,008.60x = 62,521,242.15
  5. Step 5: Solve for x
    x = 62,521,242.15/9,008.60
  6. Step 6: Final answer
    x = 6,940.18

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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.