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Finding the Fourth Proportional to 61,603.39, 92,416.47 and 19,494.07

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Solution

The fourth proportional to 61,603.39, 92,416.47 and 19,494.07 is: 29,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,603.39 : 92,416.47 = 19,494.07 : x
  2. Step 2: Convert to fraction form
    61,603.39/92,416.47 = 19,494.07/x
  3. Step 3: Cross multiply
    61,603.39x = 92,416.47 × 19,494.07
  4. Step 4: Simplify right side
    61,603.39x = 1,801,572,886.02
  5. Step 5: Solve for x
    x = 1,801,572,886.02/61,603.39
  6. Step 6: Final answer
    x = 29,244.71

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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.