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Finding the Fourth Proportional to 61,642.20, 92,463.93 and 19,521.51

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Solution

The fourth proportional to 61,642.20, 92,463.93 and 19,521.51 is: 29,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,642.20 : 92,463.93 = 19,521.51 : x
  2. Step 2: Convert to fraction form
    61,642.20/92,463.93 = 19,521.51/x
  3. Step 3: Cross multiply
    61,642.20x = 92,463.93 × 19,521.51
  4. Step 4: Simplify right side
    61,642.20x = 1,805,035,534.13
  5. Step 5: Solve for x
    x = 1,805,035,534.13/61,642.20
  6. Step 6: Final answer
    x = 29,282.46

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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.