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Finding the Fourth Proportional to 9,007.96, 12,430.98 and 5,029.84

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Solution

The fourth proportional to 9,007.96, 12,430.98 and 5,029.84 is: 6,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.96 : 12,430.98 = 5,029.84 : x
  2. Step 2: Convert to fraction form
    9,007.96/12,430.98 = 5,029.84/x
  3. Step 3: Cross multiply
    9,007.96x = 12,430.98 × 5,029.84
  4. Step 4: Simplify right side
    9,007.96x = 62,525,840.44
  5. Step 5: Solve for x
    x = 62,525,840.44/9,007.96
  6. Step 6: Final answer
    x = 6,941.18

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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.