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Finding the Fourth Proportional to 72,922.80, 100,641.58 and 46,064.01

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Solution

The fourth proportional to 72,922.80, 100,641.58 and 46,064.01 is: 63,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,922.80 : 100,641.58 = 46,064.01 : x
  2. Step 2: Convert to fraction form
    72,922.80/100,641.58 = 46,064.01/x
  3. Step 3: Cross multiply
    72,922.80x = 100,641.58 × 46,064.01
  4. Step 4: Simplify right side
    72,922.80x = 4,635,954,747.54
  5. Step 5: Solve for x
    x = 4,635,954,747.54/72,922.80
  6. Step 6: Final answer
    x = 63,573.46

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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.