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Finding the Fourth Proportional to 33,124.40, 49,681.80 and 9,748.40

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Solution

The fourth proportional to 33,124.40, 49,681.80 and 9,748.40 is: 14,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.40 : 49,681.80 = 9,748.40 : x
  2. Step 2: Convert to fraction form
    33,124.40/49,681.80 = 9,748.40/x
  3. Step 3: Cross multiply
    33,124.40x = 49,681.80 × 9,748.40
  4. Step 4: Simplify right side
    33,124.40x = 484,318,059.12
  5. Step 5: Solve for x
    x = 484,318,059.12/33,124.40
  6. Step 6: Final answer
    x = 14,621.19

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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.