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Finding the Fourth Proportional to 61,534.71, 92,304.05 and 19,415.18

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Solution

The fourth proportional to 61,534.71, 92,304.05 and 19,415.18 is: 29,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,534.71 : 92,304.05 = 19,415.18 : x
  2. Step 2: Convert to fraction form
    61,534.71/92,304.05 = 19,415.18/x
  3. Step 3: Cross multiply
    61,534.71x = 92,304.05 × 19,415.18
  4. Step 4: Simplify right side
    61,534.71x = 1,792,099,745.48
  5. Step 5: Solve for x
    x = 1,792,099,745.48/61,534.71
  6. Step 6: Final answer
    x = 29,123.40

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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.