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Finding the Fourth Proportional to 22,931.16, 34,390.04 and 8,888.06

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Solution

The fourth proportional to 22,931.16, 34,390.04 and 8,888.06 is: 13,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.16 : 34,390.04 = 8,888.06 : x
  2. Step 2: Convert to fraction form
    22,931.16/34,390.04 = 8,888.06/x
  3. Step 3: Cross multiply
    22,931.16x = 34,390.04 × 8,888.06
  4. Step 4: Simplify right side
    22,931.16x = 305,660,738.92
  5. Step 5: Solve for x
    x = 305,660,738.92/22,931.16
  6. Step 6: Final answer
    x = 13,329.49

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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.