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Finding the Fourth Proportional to 7,323.90, 10,969.65 and 4,407.90

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Solution

The fourth proportional to 7,323.90, 10,969.65 and 4,407.90 is: 6,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.90 : 10,969.65 = 4,407.90 : x
  2. Step 2: Convert to fraction form
    7,323.90/10,969.65 = 4,407.90/x
  3. Step 3: Cross multiply
    7,323.90x = 10,969.65 × 4,407.90
  4. Step 4: Simplify right side
    7,323.90x = 48,353,120.24
  5. Step 5: Solve for x
    x = 48,353,120.24/7,323.90
  6. Step 6: Final answer
    x = 6,602.10

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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.