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Finding the Fourth Proportional to 32,609.79, 44,990.91 and 18,459.90

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Solution

The fourth proportional to 32,609.79, 44,990.91 and 18,459.90 is: 25,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,609.79 : 44,990.91 = 18,459.90 : x
  2. Step 2: Convert to fraction form
    32,609.79/44,990.91 = 18,459.90/x
  3. Step 3: Cross multiply
    32,609.79x = 44,990.91 × 18,459.90
  4. Step 4: Simplify right side
    32,609.79x = 830,527,699.51
  5. Step 5: Solve for x
    x = 830,527,699.51/32,609.79
  6. Step 6: Final answer
    x = 25,468.66

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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.