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Finding the Fourth Proportional to 59,643.67, 89,465.53 and 28,030.53

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Solution

The fourth proportional to 59,643.67, 89,465.53 and 28,030.53 is: 42,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,643.67 : 89,465.53 = 28,030.53 : x
  2. Step 2: Convert to fraction form
    59,643.67/89,465.53 = 28,030.53/x
  3. Step 3: Cross multiply
    59,643.67x = 89,465.53 × 28,030.53
  4. Step 4: Simplify right side
    59,643.67x = 2,507,766,222.63
  5. Step 5: Solve for x
    x = 2,507,766,222.63/59,643.67
  6. Step 6: Final answer
    x = 42,045.81

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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.