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Finding the Fourth Proportional to 66,500.54, 91,743.21 and 46,369.34

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Solution

The fourth proportional to 66,500.54, 91,743.21 and 46,369.34 is: 63,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,500.54 : 91,743.21 = 46,369.34 : x
  2. Step 2: Convert to fraction form
    66,500.54/91,743.21 = 46,369.34/x
  3. Step 3: Cross multiply
    66,500.54x = 91,743.21 × 46,369.34
  4. Step 4: Simplify right side
    66,500.54x = 4,254,072,097.18
  5. Step 5: Solve for x
    x = 4,254,072,097.18/66,500.54
  6. Step 6: Final answer
    x = 63,970.49

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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.