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Finding the Fourth Proportional to 8,693.93, 12,029.26 and 7,577.20

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Solution

The fourth proportional to 8,693.93, 12,029.26 and 7,577.20 is: 10,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.93 : 12,029.26 = 7,577.20 : x
  2. Step 2: Convert to fraction form
    8,693.93/12,029.26 = 7,577.20/x
  3. Step 3: Cross multiply
    8,693.93x = 12,029.26 × 7,577.20
  4. Step 4: Simplify right side
    8,693.93x = 91,148,051.51
  5. Step 5: Solve for x
    x = 91,148,051.51/8,693.93
  6. Step 6: Final answer
    x = 10,484.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.