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Finding the Fourth Proportional to 61,641.30, 92,472.32 and 19,533.12

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Solution

The fourth proportional to 61,641.30, 92,472.32 and 19,533.12 is: 29,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,641.30 : 92,472.32 = 19,533.12 : x
  2. Step 2: Convert to fraction form
    61,641.30/92,472.32 = 19,533.12/x
  3. Step 3: Cross multiply
    61,641.30x = 92,472.32 × 19,533.12
  4. Step 4: Simplify right side
    61,641.30x = 1,806,272,923.24
  5. Step 5: Solve for x
    x = 1,806,272,923.24/61,641.30
  6. Step 6: Final answer
    x = 29,302.97

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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.