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Finding the Fourth Proportional to 7,472.76, 10,313.64 and 5,701.02

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Solution

The fourth proportional to 7,472.76, 10,313.64 and 5,701.02 is: 7,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.76 : 10,313.64 = 5,701.02 : x
  2. Step 2: Convert to fraction form
    7,472.76/10,313.64 = 5,701.02/x
  3. Step 3: Cross multiply
    7,472.76x = 10,313.64 × 5,701.02
  4. Step 4: Simplify right side
    7,472.76x = 58,798,267.91
  5. Step 5: Solve for x
    x = 58,798,267.91/7,472.76
  6. Step 6: Final answer
    x = 7,868.35

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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.