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Finding the Fourth Proportional to 32,430.93, 48,646.53 and 9,057.57

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Solution

The fourth proportional to 32,430.93, 48,646.53 and 9,057.57 is: 13,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.93 : 48,646.53 = 9,057.57 : x
  2. Step 2: Convert to fraction form
    32,430.93/48,646.53 = 9,057.57/x
  3. Step 3: Cross multiply
    32,430.93x = 48,646.53 × 9,057.57
  4. Step 4: Simplify right side
    32,430.93x = 440,619,350.73
  5. Step 5: Solve for x
    x = 440,619,350.73/32,430.93
  6. Step 6: Final answer
    x = 13,586.39

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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.