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Finding the Fourth Proportional to 35,368.52, 53,045.28 and 10,401.78

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Solution

The fourth proportional to 35,368.52, 53,045.28 and 10,401.78 is: 15,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.52 : 53,045.28 = 10,401.78 : x
  2. Step 2: Convert to fraction form
    35,368.52/53,045.28 = 10,401.78/x
  3. Step 3: Cross multiply
    35,368.52x = 53,045.28 × 10,401.78
  4. Step 4: Simplify right side
    35,368.52x = 551,765,332.60
  5. Step 5: Solve for x
    x = 551,765,332.60/35,368.52
  6. Step 6: Final answer
    x = 15,600.47

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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.