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Finding the Fourth Proportional to 13,248.84, 19,872.84 and 4,925.64

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Solution

The fourth proportional to 13,248.84, 19,872.84 and 4,925.64 is: 7,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.84 : 19,872.84 = 4,925.64 : x
  2. Step 2: Convert to fraction form
    13,248.84/19,872.84 = 4,925.64/x
  3. Step 3: Cross multiply
    13,248.84x = 19,872.84 × 4,925.64
  4. Step 4: Simplify right side
    13,248.84x = 97,886,455.62
  5. Step 5: Solve for x
    x = 97,886,455.62/13,248.84
  6. Step 6: Final answer
    x = 7,388.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.