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Finding the Fourth Proportional to 30,952.59, 42,717.22 and 17,526.21

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Solution

The fourth proportional to 30,952.59, 42,717.22 and 17,526.21 is: 24,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,952.59 : 42,717.22 = 17,526.21 : x
  2. Step 2: Convert to fraction form
    30,952.59/42,717.22 = 17,526.21/x
  3. Step 3: Cross multiply
    30,952.59x = 42,717.22 × 17,526.21
  4. Step 4: Simplify right side
    30,952.59x = 748,670,924.52
  5. Step 5: Solve for x
    x = 748,670,924.52/30,952.59
  6. Step 6: Final answer
    x = 24,187.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.