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Finding the Fourth Proportional to 64,099.77, 96,158.76 and 19,730.22

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Solution

The fourth proportional to 64,099.77, 96,158.76 and 19,730.22 is: 29,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,099.77 : 96,158.76 = 19,730.22 : x
  2. Step 2: Convert to fraction form
    64,099.77/96,158.76 = 19,730.22/x
  3. Step 3: Cross multiply
    64,099.77x = 96,158.76 × 19,730.22
  4. Step 4: Simplify right side
    64,099.77x = 1,897,232,910.28
  5. Step 5: Solve for x
    x = 1,897,232,910.28/64,099.77
  6. Step 6: Final answer
    x = 29,598.13

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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.