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Finding the Fourth Proportional to 64,136.50, 88,508.93 and 35,455.71

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Solution

The fourth proportional to 64,136.50, 88,508.93 and 35,455.71 is: 48,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.50 : 88,508.93 = 35,455.71 : x
  2. Step 2: Convert to fraction form
    64,136.50/88,508.93 = 35,455.71/x
  3. Step 3: Cross multiply
    64,136.50x = 88,508.93 × 35,455.71
  4. Step 4: Simplify right side
    64,136.50x = 3,138,146,954.49
  5. Step 5: Solve for x
    x = 3,138,146,954.49/64,136.50
  6. Step 6: Final answer
    x = 48,929.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.