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Finding the Fourth Proportional to 9,937.10, 14,905.65 and 7,345.10

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Solution

The fourth proportional to 9,937.10, 14,905.65 and 7,345.10 is: 11,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.10 : 14,905.65 = 7,345.10 : x
  2. Step 2: Convert to fraction form
    9,937.10/14,905.65 = 7,345.10/x
  3. Step 3: Cross multiply
    9,937.10x = 14,905.65 × 7,345.10
  4. Step 4: Simplify right side
    9,937.10x = 109,483,489.82
  5. Step 5: Solve for x
    x = 109,483,489.82/9,937.10
  6. Step 6: Final answer
    x = 11,017.65

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Similar ratio
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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.