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Finding the Fourth Proportional to 64,106.30, 96,169.90 and 19,733.06

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Solution

The fourth proportional to 64,106.30, 96,169.90 and 19,733.06 is: 29,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,106.30 : 96,169.90 = 19,733.06 : x
  2. Step 2: Convert to fraction form
    64,106.30/96,169.90 = 19,733.06/x
  3. Step 3: Cross multiply
    64,106.30x = 96,169.90 × 19,733.06
  4. Step 4: Simplify right side
    64,106.30x = 1,897,726,406.89
  5. Step 5: Solve for x
    x = 1,897,726,406.89/64,106.30
  6. Step 6: Final answer
    x = 29,602.81

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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.