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Finding the Fourth Proportional to 64,679.04, 97,021.44 and 17,930.88

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Solution

The fourth proportional to 64,679.04, 97,021.44 and 17,930.88 is: 26,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.04 : 97,021.44 = 17,930.88 : x
  2. Step 2: Convert to fraction form
    64,679.04/97,021.44 = 17,930.88/x
  3. Step 3: Cross multiply
    64,679.04x = 97,021.44 × 17,930.88
  4. Step 4: Simplify right side
    64,679.04x = 1,739,679,798.07
  5. Step 5: Solve for x
    x = 1,739,679,798.07/64,679.04
  6. Step 6: Final answer
    x = 26,897.12

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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.