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Finding the Fourth Proportional to 61,486.17, 92,211.03 and 26,417.63

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Solution

The fourth proportional to 61,486.17, 92,211.03 and 26,417.63 is: 39,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.17 : 92,211.03 = 26,417.63 : x
  2. Step 2: Convert to fraction form
    61,486.17/92,211.03 = 26,417.63/x
  3. Step 3: Cross multiply
    61,486.17x = 92,211.03 × 26,417.63
  4. Step 4: Simplify right side
    61,486.17x = 2,435,996,411.40
  5. Step 5: Solve for x
    x = 2,435,996,411.40/61,486.17
  6. Step 6: Final answer
    x = 39,618.61

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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.