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Finding the Fourth Proportional to 64,230.08, 96,347.64 and 19,852.88

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Solution

The fourth proportional to 64,230.08, 96,347.64 and 19,852.88 is: 29,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.08 : 96,347.64 = 19,852.88 : x
  2. Step 2: Convert to fraction form
    64,230.08/96,347.64 = 19,852.88/x
  3. Step 3: Cross multiply
    64,230.08x = 96,347.64 × 19,852.88
  4. Step 4: Simplify right side
    64,230.08x = 1,912,778,135.20
  5. Step 5: Solve for x
    x = 1,912,778,135.20/64,230.08
  6. Step 6: Final answer
    x = 29,780.10

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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.