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Finding the Fourth Proportional to 33,330.42, 49,995.90 and 9,957.06

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Solution

The fourth proportional to 33,330.42, 49,995.90 and 9,957.06 is: 14,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.42 : 49,995.90 = 9,957.06 : x
  2. Step 2: Convert to fraction form
    33,330.42/49,995.90 = 9,957.06/x
  3. Step 3: Cross multiply
    33,330.42x = 49,995.90 × 9,957.06
  4. Step 4: Simplify right side
    33,330.42x = 497,812,176.05
  5. Step 5: Solve for x
    x = 497,812,176.05/33,330.42
  6. Step 6: Final answer
    x = 14,935.67

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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.