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Finding the Fourth Proportional to 46,606.60, 69,909.90 and 39,608.20

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Solution

The fourth proportional to 46,606.60, 69,909.90 and 39,608.20 is: 59,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,606.60 : 69,909.90 = 39,608.20 : x
  2. Step 2: Convert to fraction form
    46,606.60/69,909.90 = 39,608.20/x
  3. Step 3: Cross multiply
    46,606.60x = 69,909.90 × 39,608.20
  4. Step 4: Simplify right side
    46,606.60x = 2,769,005,301.18
  5. Step 5: Solve for x
    x = 2,769,005,301.18/46,606.60
  6. Step 6: Final answer
    x = 59,412.30

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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.