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Finding the Fourth Proportional to 64,059.84, 96,089.76 and 28,998.72

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Solution

The fourth proportional to 64,059.84, 96,089.76 and 28,998.72 is: 43,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,059.84 : 96,089.76 = 28,998.72 : x
  2. Step 2: Convert to fraction form
    64,059.84/96,089.76 = 28,998.72/x
  3. Step 3: Cross multiply
    64,059.84x = 96,089.76 × 28,998.72
  4. Step 4: Simplify right side
    64,059.84x = 2,786,480,045.11
  5. Step 5: Solve for x
    x = 2,786,480,045.11/64,059.84
  6. Step 6: Final answer
    x = 43,498.08

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Similar ratio
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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.