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Finding the Fourth Proportional to 30,444.35, 45,592.71 and 21,058.02

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Solution

The fourth proportional to 30,444.35, 45,592.71 and 21,058.02 is: 31,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.35 : 45,592.71 = 21,058.02 : x
  2. Step 2: Convert to fraction form
    30,444.35/45,592.71 = 21,058.02/x
  3. Step 3: Cross multiply
    30,444.35x = 45,592.71 × 21,058.02
  4. Step 4: Simplify right side
    30,444.35x = 960,092,199.03
  5. Step 5: Solve for x
    x = 960,092,199.03/30,444.35
  6. Step 6: Final answer
    x = 31,535.98

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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.