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Finding the Fourth Proportional to 7,029.66, 10,466.14 and 6,931.55

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Solution

The fourth proportional to 7,029.66, 10,466.14 and 6,931.55 is: 10,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.66 : 10,466.14 = 6,931.55 : x
  2. Step 2: Convert to fraction form
    7,029.66/10,466.14 = 6,931.55/x
  3. Step 3: Cross multiply
    7,029.66x = 10,466.14 × 6,931.55
  4. Step 4: Simplify right side
    7,029.66x = 72,546,572.72
  5. Step 5: Solve for x
    x = 72,546,572.72/7,029.66
  6. Step 6: Final answer
    x = 10,320.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.