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Finding the Fourth Proportional to 6,937.76, 10,395.04 and 4,980.16

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Solution

The fourth proportional to 6,937.76, 10,395.04 and 4,980.16 is: 7,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.76 : 10,395.04 = 4,980.16 : x
  2. Step 2: Convert to fraction form
    6,937.76/10,395.04 = 4,980.16/x
  3. Step 3: Cross multiply
    6,937.76x = 10,395.04 × 4,980.16
  4. Step 4: Simplify right side
    6,937.76x = 51,768,962.41
  5. Step 5: Solve for x
    x = 51,768,962.41/6,937.76
  6. Step 6: Final answer
    x = 7,461.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.