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Finding the Fourth Proportional to 15,980.58, 23,971.82 and 4,888.04

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Solution

The fourth proportional to 15,980.58, 23,971.82 and 4,888.04 is: 7,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.58 : 23,971.82 = 4,888.04 : x
  2. Step 2: Convert to fraction form
    15,980.58/23,971.82 = 4,888.04/x
  3. Step 3: Cross multiply
    15,980.58x = 23,971.82 × 4,888.04
  4. Step 4: Simplify right side
    15,980.58x = 117,175,188.12
  5. Step 5: Solve for x
    x = 117,175,188.12/15,980.58
  6. Step 6: Final answer
    x = 7,332.35

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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.