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Finding the Fourth Proportional to 35,957.52, 53,913.74 and 10,989.28

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Solution

The fourth proportional to 35,957.52, 53,913.74 and 10,989.28 is: 16,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.52 : 53,913.74 = 10,989.28 : x
  2. Step 2: Convert to fraction form
    35,957.52/53,913.74 = 10,989.28/x
  3. Step 3: Cross multiply
    35,957.52x = 53,913.74 × 10,989.28
  4. Step 4: Simplify right side
    35,957.52x = 592,473,184.71
  5. Step 5: Solve for x
    x = 592,473,184.71/35,957.52
  6. Step 6: Final answer
    x = 16,477.03

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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.