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Finding the Fourth Proportional to 35,384.10, 53,078.04 and 9,089.06

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Solution

The fourth proportional to 35,384.10, 53,078.04 and 9,089.06 is: 13,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.10 : 53,078.04 = 9,089.06 : x
  2. Step 2: Convert to fraction form
    35,384.10/53,078.04 = 9,089.06/x
  3. Step 3: Cross multiply
    35,384.10x = 53,078.04 × 9,089.06
  4. Step 4: Simplify right side
    35,384.10x = 482,429,490.24
  5. Step 5: Solve for x
    x = 482,429,490.24/35,384.10
  6. Step 6: Final answer
    x = 13,634.08

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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.