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Finding the Fourth Proportional to 64,093.68, 96,153.28 and 19,718.74

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Solution

The fourth proportional to 64,093.68, 96,153.28 and 19,718.74 is: 29,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,093.68 : 96,153.28 = 19,718.74 : x
  2. Step 2: Convert to fraction form
    64,093.68/96,153.28 = 19,718.74/x
  3. Step 3: Cross multiply
    64,093.68x = 96,153.28 × 19,718.74
  4. Step 4: Simplify right side
    64,093.68x = 1,896,021,599.36
  5. Step 5: Solve for x
    x = 1,896,021,599.36/64,093.68
  6. Step 6: Final answer
    x = 29,582.04

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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.