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Finding the Fourth Proportional to 4,699.98, 7,047.54 and 2,066.40

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Solution

The fourth proportional to 4,699.98, 7,047.54 and 2,066.40 is: 3,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.98 : 7,047.54 = 2,066.40 : x
  2. Step 2: Convert to fraction form
    4,699.98/7,047.54 = 2,066.40/x
  3. Step 3: Cross multiply
    4,699.98x = 7,047.54 × 2,066.40
  4. Step 4: Simplify right side
    4,699.98x = 14,563,036.66
  5. Step 5: Solve for x
    x = 14,563,036.66/4,699.98
  6. Step 6: Final answer
    x = 3,098.53

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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.