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Finding the Fourth Proportional to 19,482.68, 29,187.30 and 9,610.40

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Solution

The fourth proportional to 19,482.68, 29,187.30 and 9,610.40 is: 14,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.68 : 29,187.30 = 9,610.40 : x
  2. Step 2: Convert to fraction form
    19,482.68/29,187.30 = 9,610.40/x
  3. Step 3: Cross multiply
    19,482.68x = 29,187.30 × 9,610.40
  4. Step 4: Simplify right side
    19,482.68x = 280,501,627.92
  5. Step 5: Solve for x
    x = 280,501,627.92/19,482.68
  6. Step 6: Final answer
    x = 14,397.49

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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.