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Finding the Fourth Proportional to 23,223.96, 34,835.94 and 8,430.12

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Solution

The fourth proportional to 23,223.96, 34,835.94 and 8,430.12 is: 12,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,223.96 : 34,835.94 = 8,430.12 : x
  2. Step 2: Convert to fraction form
    23,223.96/34,835.94 = 8,430.12/x
  3. Step 3: Cross multiply
    23,223.96x = 34,835.94 × 8,430.12
  4. Step 4: Simplify right side
    23,223.96x = 293,671,154.51
  5. Step 5: Solve for x
    x = 293,671,154.51/23,223.96
  6. Step 6: Final answer
    x = 12,645.18

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Double scale
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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.