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Finding the Fourth Proportional to 60,963.99, 84,130.34 and 34,106.51

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Solution

The fourth proportional to 60,963.99, 84,130.34 and 34,106.51 is: 47,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,963.99 : 84,130.34 = 34,106.51 : x
  2. Step 2: Convert to fraction form
    60,963.99/84,130.34 = 34,106.51/x
  3. Step 3: Cross multiply
    60,963.99x = 84,130.34 × 34,106.51
  4. Step 4: Simplify right side
    60,963.99x = 2,869,391,691.33
  5. Step 5: Solve for x
    x = 2,869,391,691.33/60,963.99
  6. Step 6: Final answer
    x = 47,066.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.