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Finding the Fourth Proportional to 35,791,806.80, 53,687,710.20 and 32,012,670.80

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Solution

The fourth proportional to 35,791,806.80, 53,687,710.20 and 32,012,670.80 is: 48,019,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791,806.80 : 53,687,710.20 = 32,012,670.80 : x
  2. Step 2: Convert to fraction form
    35,791,806.80/53,687,710.20 = 32,012,670.80/x
  3. Step 3: Cross multiply
    35,791,806.80x = 53,687,710.20 × 32,012,670.80
  4. Step 4: Simplify right side
    35,791,806.80x = 1,718,686,992,638,402.25
  5. Step 5: Solve for x
    x = 1,718,686,992,638,402.25/35,791,806.80
  6. Step 6: Final answer
    x = 48,019,006.20

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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.