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Finding the Fourth Proportional to 46,641.40, 69,962.10 and 25,646.20

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Solution

The fourth proportional to 46,641.40, 69,962.10 and 25,646.20 is: 38,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.40 : 69,962.10 = 25,646.20 : x
  2. Step 2: Convert to fraction form
    46,641.40/69,962.10 = 25,646.20/x
  3. Step 3: Cross multiply
    46,641.40x = 69,962.10 × 25,646.20
  4. Step 4: Simplify right side
    46,641.40x = 1,794,262,009.02
  5. Step 5: Solve for x
    x = 1,794,262,009.02/46,641.40
  6. Step 6: Final answer
    x = 38,469.30

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Similar ratio
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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.