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Finding the Fourth Proportional to 30,032.48, 45,052.86 and 10,308.47

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Solution

The fourth proportional to 30,032.48, 45,052.86 and 10,308.47 is: 15,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.48 : 45,052.86 = 10,308.47 : x
  2. Step 2: Convert to fraction form
    30,032.48/45,052.86 = 10,308.47/x
  3. Step 3: Cross multiply
    30,032.48x = 45,052.86 × 10,308.47
  4. Step 4: Simplify right side
    30,032.48x = 464,426,004.18
  5. Step 5: Solve for x
    x = 464,426,004.18/30,032.48
  6. Step 6: Final answer
    x = 15,464.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.