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Finding the Fourth Proportional to 9,000.93, 12,420.83 and 4,968.47

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Solution

The fourth proportional to 9,000.93, 12,420.83 and 4,968.47 is: 6,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.93 : 12,420.83 = 4,968.47 : x
  2. Step 2: Convert to fraction form
    9,000.93/12,420.83 = 4,968.47/x
  3. Step 3: Cross multiply
    9,000.93x = 12,420.83 × 4,968.47
  4. Step 4: Simplify right side
    9,000.93x = 61,712,434.28
  5. Step 5: Solve for x
    x = 61,712,434.28/9,000.93
  6. Step 6: Final answer
    x = 6,856.23

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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.