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Finding the Fourth Proportional to 19,657.76, 29,486.98 and 10,948.04

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Solution

The fourth proportional to 19,657.76, 29,486.98 and 10,948.04 is: 16,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.76 : 29,486.98 = 10,948.04 : x
  2. Step 2: Convert to fraction form
    19,657.76/29,486.98 = 10,948.04/x
  3. Step 3: Cross multiply
    19,657.76x = 29,486.98 × 10,948.04
  4. Step 4: Simplify right side
    19,657.76x = 322,824,636.52
  5. Step 5: Solve for x
    x = 322,824,636.52/19,657.76
  6. Step 6: Final answer
    x = 16,422.25

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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.