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Finding the Fourth Proportional to 61,510.76, 84,884.85 and 34,653.26

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Solution

The fourth proportional to 61,510.76, 84,884.85 and 34,653.26 is: 47,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,510.76 : 84,884.85 = 34,653.26 : x
  2. Step 2: Convert to fraction form
    61,510.76/84,884.85 = 34,653.26/x
  3. Step 3: Cross multiply
    61,510.76x = 84,884.85 × 34,653.26
  4. Step 4: Simplify right side
    61,510.76x = 2,941,536,352.69
  5. Step 5: Solve for x
    x = 2,941,536,352.69/61,510.76
  6. Step 6: Final answer
    x = 47,821.50

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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.