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Finding the Fourth Proportional to 7,937.68, 11,924.76 and 5,603.08

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Solution

The fourth proportional to 7,937.68, 11,924.76 and 5,603.08 is: 8,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.68 : 11,924.76 = 5,603.08 : x
  2. Step 2: Convert to fraction form
    7,937.68/11,924.76 = 5,603.08/x
  3. Step 3: Cross multiply
    7,937.68x = 11,924.76 × 5,603.08
  4. Step 4: Simplify right side
    7,937.68x = 66,815,384.26
  5. Step 5: Solve for x
    x = 66,815,384.26/7,937.68
  6. Step 6: Final answer
    x = 8,417.50

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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.