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Finding the Fourth Proportional to 19,893.51, 29,840.27 and 9,473.67

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Solution

The fourth proportional to 19,893.51, 29,840.27 and 9,473.67 is: 14,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.51 : 29,840.27 = 9,473.67 : x
  2. Step 2: Convert to fraction form
    19,893.51/29,840.27 = 9,473.67/x
  3. Step 3: Cross multiply
    19,893.51x = 29,840.27 × 9,473.67
  4. Step 4: Simplify right side
    19,893.51x = 282,696,823.32
  5. Step 5: Solve for x
    x = 282,696,823.32/19,893.51
  6. Step 6: Final answer
    x = 14,210.51

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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.