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Finding the Fourth Proportional to 64,590.12, 96,885.12 and 17,842.98

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Solution

The fourth proportional to 64,590.12, 96,885.12 and 17,842.98 is: 26,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,590.12 : 96,885.12 = 17,842.98 : x
  2. Step 2: Convert to fraction form
    64,590.12/96,885.12 = 17,842.98/x
  3. Step 3: Cross multiply
    64,590.12x = 96,885.12 × 17,842.98
  4. Step 4: Simplify right side
    64,590.12x = 1,728,719,258.46
  5. Step 5: Solve for x
    x = 1,728,719,258.46/64,590.12
  6. Step 6: Final answer
    x = 26,764.45

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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.