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Finding the Fourth Proportional to 4,703.67, 7,055.55 and 1,416.78

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Solution

The fourth proportional to 4,703.67, 7,055.55 and 1,416.78 is: 2,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.67 : 7,055.55 = 1,416.78 : x
  2. Step 2: Convert to fraction form
    4,703.67/7,055.55 = 1,416.78/x
  3. Step 3: Cross multiply
    4,703.67x = 7,055.55 × 1,416.78
  4. Step 4: Simplify right side
    4,703.67x = 9,996,162.13
  5. Step 5: Solve for x
    x = 9,996,162.13/4,703.67
  6. Step 6: Final answer
    x = 2,125.18

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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.