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Finding the Fourth Proportional to 61,307.67, 84,607.07 and 34,450.10

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Solution

The fourth proportional to 61,307.67, 84,607.07 and 34,450.10 is: 47,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.67 : 84,607.07 = 34,450.10 : x
  2. Step 2: Convert to fraction form
    61,307.67/84,607.07 = 34,450.10/x
  3. Step 3: Cross multiply
    61,307.67x = 84,607.07 × 34,450.10
  4. Step 4: Simplify right side
    61,307.67x = 2,914,721,426.92
  5. Step 5: Solve for x
    x = 2,914,721,426.92/61,307.67
  6. Step 6: Final answer
    x = 47,542.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.