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Finding the Fourth Proportional to 64,673.28, 97,009.80 and 17,926.20

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Solution

The fourth proportional to 64,673.28, 97,009.80 and 17,926.20 is: 26,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673.28 : 97,009.80 = 17,926.20 : x
  2. Step 2: Convert to fraction form
    64,673.28/97,009.80 = 17,926.20/x
  3. Step 3: Cross multiply
    64,673.28x = 97,009.80 × 17,926.20
  4. Step 4: Simplify right side
    64,673.28x = 1,739,017,076.76
  5. Step 5: Solve for x
    x = 1,739,017,076.76/64,673.28
  6. Step 6: Final answer
    x = 26,889.27

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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.