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Finding the Fourth Proportional to 9,295.76, 12,829.80 and 5,570.32

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Solution

The fourth proportional to 9,295.76, 12,829.80 and 5,570.32 is: 7,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.76 : 12,829.80 = 5,570.32 : x
  2. Step 2: Convert to fraction form
    9,295.76/12,829.80 = 5,570.32/x
  3. Step 3: Cross multiply
    9,295.76x = 12,829.80 × 5,570.32
  4. Step 4: Simplify right side
    9,295.76x = 71,466,091.54
  5. Step 5: Solve for x
    x = 71,466,091.54/9,295.76
  6. Step 6: Final answer
    x = 7,688.03

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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.