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Finding the Fourth Proportional to 32,430.51, 48,645.86 and 9,057.15

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Solution

The fourth proportional to 32,430.51, 48,645.86 and 9,057.15 is: 13,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.51 : 48,645.86 = 9,057.15 : x
  2. Step 2: Convert to fraction form
    32,430.51/48,645.86 = 9,057.15/x
  3. Step 3: Cross multiply
    32,430.51x = 48,645.86 × 9,057.15
  4. Step 4: Simplify right side
    32,430.51x = 440,592,805.61
  5. Step 5: Solve for x
    x = 440,592,805.61/32,430.51
  6. Step 6: Final answer
    x = 13,585.75

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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.