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Finding the Fourth Proportional to 28,767.06, 43,156.06 and 9,040.32

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Solution

The fourth proportional to 28,767.06, 43,156.06 and 9,040.32 is: 13,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.06 : 43,156.06 = 9,040.32 : x
  2. Step 2: Convert to fraction form
    28,767.06/43,156.06 = 9,040.32/x
  3. Step 3: Cross multiply
    28,767.06x = 43,156.06 × 9,040.32
  4. Step 4: Simplify right side
    28,767.06x = 390,144,569.74
  5. Step 5: Solve for x
    x = 390,144,569.74/28,767.06
  6. Step 6: Final answer
    x = 13,562.20

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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.