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Finding the Fourth Proportional to 33,130.80, 49,681.80 and 9,752.40

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Solution

The fourth proportional to 33,130.80, 49,681.80 and 9,752.40 is: 14,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.80 : 49,681.80 = 9,752.40 : x
  2. Step 2: Convert to fraction form
    33,130.80/49,681.80 = 9,752.40/x
  3. Step 3: Cross multiply
    33,130.80x = 49,681.80 × 9,752.40
  4. Step 4: Simplify right side
    33,130.80x = 484,516,786.32
  5. Step 5: Solve for x
    x = 484,516,786.32/33,130.80
  6. Step 6: Final answer
    x = 14,624.36

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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.