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Finding the Fourth Proportional to 9,348.32, 12,925.32 and 8,935.22

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Solution

The fourth proportional to 9,348.32, 12,925.32 and 8,935.22 is: 12,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.32 : 12,925.32 = 8,935.22 : x
  2. Step 2: Convert to fraction form
    9,348.32/12,925.32 = 8,935.22/x
  3. Step 3: Cross multiply
    9,348.32x = 12,925.32 × 8,935.22
  4. Step 4: Simplify right side
    9,348.32x = 115,490,577.77
  5. Step 5: Solve for x
    x = 115,490,577.77/9,348.32
  6. Step 6: Final answer
    x = 12,354.15

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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.