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Finding the Fourth Proportional to 9,051.34, 12,478 and 6,657.08

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Solution

The fourth proportional to 9,051.34, 12,478 and 6,657.08 is: 9,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.34 : 12,478 = 6,657.08 : x
  2. Step 2: Convert to fraction form
    9,051.34/12,478 = 6,657.08/x
  3. Step 3: Cross multiply
    9,051.34x = 12,478 × 6,657.08
  4. Step 4: Simplify right side
    9,051.34x = 83,067,044.24
  5. Step 5: Solve for x
    x = 83,067,044.24/9,051.34
  6. Step 6: Final answer
    x = 9,177.32

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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.