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Finding the Fourth Proportional to 35,693.58, 53,530.78 and 10,728.06

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Solution

The fourth proportional to 35,693.58, 53,530.78 and 10,728.06 is: 16,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.58 : 53,530.78 = 10,728.06 : x
  2. Step 2: Convert to fraction form
    35,693.58/53,530.78 = 10,728.06/x
  3. Step 3: Cross multiply
    35,693.58x = 53,530.78 × 10,728.06
  4. Step 4: Simplify right side
    35,693.58x = 574,281,419.69
  5. Step 5: Solve for x
    x = 574,281,419.69/35,693.58
  6. Step 6: Final answer
    x = 16,089.21

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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.