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Finding the Fourth Proportional to 9,357.60, 13,934.48 and 9,254.05

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Solution

The fourth proportional to 9,357.60, 13,934.48 and 9,254.05 is: 13,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.60 : 13,934.48 = 9,254.05 : x
  2. Step 2: Convert to fraction form
    9,357.60/13,934.48 = 9,254.05/x
  3. Step 3: Cross multiply
    9,357.60x = 13,934.48 × 9,254.05
  4. Step 4: Simplify right side
    9,357.60x = 128,950,345.59
  5. Step 5: Solve for x
    x = 128,950,345.59/9,357.60
  6. Step 6: Final answer
    x = 13,780.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.