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Finding the Fourth Proportional to 7,304.08, 10,047.74 and 6,403.76

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Solution

The fourth proportional to 7,304.08, 10,047.74 and 6,403.76 is: 8,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.08 : 10,047.74 = 6,403.76 : x
  2. Step 2: Convert to fraction form
    7,304.08/10,047.74 = 6,403.76/x
  3. Step 3: Cross multiply
    7,304.08x = 10,047.74 × 6,403.76
  4. Step 4: Simplify right side
    7,304.08x = 64,343,315.50
  5. Step 5: Solve for x
    x = 64,343,315.50/7,304.08
  6. Step 6: Final answer
    x = 8,809.23

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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.