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Finding the Fourth Proportional to 52,681.44, 78,918.48 and 34,900.32

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Solution

The fourth proportional to 52,681.44, 78,918.48 and 34,900.32 is: 52,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,681.44 : 78,918.48 = 34,900.32 : x
  2. Step 2: Convert to fraction form
    52,681.44/78,918.48 = 34,900.32/x
  3. Step 3: Cross multiply
    52,681.44x = 78,918.48 × 34,900.32
  4. Step 4: Simplify right side
    52,681.44x = 2,754,280,205.91
  5. Step 5: Solve for x
    x = 2,754,280,205.91/52,681.44
  6. Step 6: Final answer
    x = 52,281.79

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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.