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Finding the Fourth Proportional to 35,569.78, 53,354.67 and 9,274.45

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Solution

The fourth proportional to 35,569.78, 53,354.67 and 9,274.45 is: 13,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,569.78 : 53,354.67 = 9,274.45 : x
  2. Step 2: Convert to fraction form
    35,569.78/53,354.67 = 9,274.45/x
  3. Step 3: Cross multiply
    35,569.78x = 53,354.67 × 9,274.45
  4. Step 4: Simplify right side
    35,569.78x = 494,835,219.18
  5. Step 5: Solve for x
    x = 494,835,219.18/35,569.78
  6. Step 6: Final answer
    x = 13,911.68

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1.5x scale

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.