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Finding the Fourth Proportional to 1,533.34, 2,298.48 and 711.10

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Solution

The fourth proportional to 1,533.34, 2,298.48 and 711.10 is: 1,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.34 : 2,298.48 = 711.10 : x
  2. Step 2: Convert to fraction form
    1,533.34/2,298.48 = 711.10/x
  3. Step 3: Cross multiply
    1,533.34x = 2,298.48 × 711.10
  4. Step 4: Simplify right side
    1,533.34x = 1,634,449.13
  5. Step 5: Solve for x
    x = 1,634,449.13/1,533.34
  6. Step 6: Final answer
    x = 1,065.94

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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.