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Finding the Fourth Proportional to 62,403.90, 93,411.45 and 36,030.30

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Solution

The fourth proportional to 62,403.90, 93,411.45 and 36,030.30 is: 53,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.90 : 93,411.45 = 36,030.30 : x
  2. Step 2: Convert to fraction form
    62,403.90/93,411.45 = 36,030.30/x
  3. Step 3: Cross multiply
    62,403.90x = 93,411.45 × 36,030.30
  4. Step 4: Simplify right side
    62,403.90x = 3,365,642,566.94
  5. Step 5: Solve for x
    x = 3,365,642,566.94/62,403.90
  6. Step 6: Final answer
    x = 53,933.21

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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.