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Finding the Fourth Proportional to 61,475.04, 92,275.74 and 31,884.93

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Solution

The fourth proportional to 61,475.04, 92,275.74 and 31,884.93 is: 47,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,475.04 : 92,275.74 = 31,884.93 : x
  2. Step 2: Convert to fraction form
    61,475.04/92,275.74 = 31,884.93/x
  3. Step 3: Cross multiply
    61,475.04x = 92,275.74 × 31,884.93
  4. Step 4: Simplify right side
    61,475.04x = 2,942,205,510.60
  5. Step 5: Solve for x
    x = 2,942,205,510.60/61,475.04
  6. Step 6: Final answer
    x = 47,860.16

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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.