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Finding the Fourth Proportional to 71,662.40, 98,866.54 and 46,166.84

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Solution

The fourth proportional to 71,662.40, 98,866.54 and 46,166.84 is: 63,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,662.40 : 98,866.54 = 46,166.84 : x
  2. Step 2: Convert to fraction form
    71,662.40/98,866.54 = 46,166.84/x
  3. Step 3: Cross multiply
    71,662.40x = 98,866.54 × 46,166.84
  4. Step 4: Simplify right side
    71,662.40x = 4,564,355,733.53
  5. Step 5: Solve for x
    x = 4,564,355,733.53/71,662.40
  6. Step 6: Final answer
    x = 63,692.48

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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.