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Finding the Fourth Proportional to 28,984.77, 43,477.16 and 9,265.05

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Solution

The fourth proportional to 28,984.77, 43,477.16 and 9,265.05 is: 13,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.77 : 43,477.16 = 9,265.05 : x
  2. Step 2: Convert to fraction form
    28,984.77/43,477.16 = 9,265.05/x
  3. Step 3: Cross multiply
    28,984.77x = 43,477.16 × 9,265.05
  4. Step 4: Simplify right side
    28,984.77x = 402,818,014.93
  5. Step 5: Solve for x
    x = 402,818,014.93/28,984.77
  6. Step 6: Final answer
    x = 13,897.58

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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.