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Finding the Fourth Proportional to 61,630.31, 92,445.74 and 19,510.60

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Solution

The fourth proportional to 61,630.31, 92,445.74 and 19,510.60 is: 29,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,630.31 : 92,445.74 = 19,510.60 : x
  2. Step 2: Convert to fraction form
    61,630.31/92,445.74 = 19,510.60/x
  3. Step 3: Cross multiply
    61,630.31x = 92,445.74 × 19,510.60
  4. Step 4: Simplify right side
    61,630.31x = 1,803,671,854.84
  5. Step 5: Solve for x
    x = 1,803,671,854.84/61,630.31
  6. Step 6: Final answer
    x = 29,265.99

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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.