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Finding the Fourth Proportional to 6,176.40, 8,528.40 and 4,053.60

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Solution

The fourth proportional to 6,176.40, 8,528.40 and 4,053.60 is: 5,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.40 : 8,528.40 = 4,053.60 : x
  2. Step 2: Convert to fraction form
    6,176.40/8,528.40 = 4,053.60/x
  3. Step 3: Cross multiply
    6,176.40x = 8,528.40 × 4,053.60
  4. Step 4: Simplify right side
    6,176.40x = 34,570,722.24
  5. Step 5: Solve for x
    x = 34,570,722.24/6,176.40
  6. Step 6: Final answer
    x = 5,597.23

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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.