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Finding the Fourth Proportional to 9,929.03, 13,702.32 and 5,452.88

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Solution

The fourth proportional to 9,929.03, 13,702.32 and 5,452.88 is: 7,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.03 : 13,702.32 = 5,452.88 : x
  2. Step 2: Convert to fraction form
    9,929.03/13,702.32 = 5,452.88/x
  3. Step 3: Cross multiply
    9,929.03x = 13,702.32 × 5,452.88
  4. Step 4: Simplify right side
    9,929.03x = 74,717,038.17
  5. Step 5: Solve for x
    x = 74,717,038.17/9,929.03
  6. Step 6: Final answer
    x = 7,525.11

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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.