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Finding the Fourth Proportional to 64,071.84, 96,107.76 and 29,010.72

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Solution

The fourth proportional to 64,071.84, 96,107.76 and 29,010.72 is: 43,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,071.84 : 96,107.76 = 29,010.72 : x
  2. Step 2: Convert to fraction form
    64,071.84/96,107.76 = 29,010.72/x
  3. Step 3: Cross multiply
    64,071.84x = 96,107.76 × 29,010.72
  4. Step 4: Simplify right side
    64,071.84x = 2,788,155,315.19
  5. Step 5: Solve for x
    x = 2,788,155,315.19/64,071.84
  6. Step 6: Final answer
    x = 43,516.08

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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.