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Finding the Fourth Proportional to 22,368.79, 33,528.58 and 9,213.99

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Solution

The fourth proportional to 22,368.79, 33,528.58 and 9,213.99 is: 13,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.79 : 33,528.58 = 9,213.99 : x
  2. Step 2: Convert to fraction form
    22,368.79/33,528.58 = 9,213.99/x
  3. Step 3: Cross multiply
    22,368.79x = 33,528.58 × 9,213.99
  4. Step 4: Simplify right side
    22,368.79x = 308,931,833.19
  5. Step 5: Solve for x
    x = 308,931,833.19/22,368.79
  6. Step 6: Final answer
    x = 13,810.84

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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.