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Finding the Fourth Proportional to 60,746.99, 83,802.26 and 39,518.51

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Solution

The fourth proportional to 60,746.99, 83,802.26 and 39,518.51 is: 54,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,746.99 : 83,802.26 = 39,518.51 : x
  2. Step 2: Convert to fraction form
    60,746.99/83,802.26 = 39,518.51/x
  3. Step 3: Cross multiply
    60,746.99x = 83,802.26 × 39,518.51
  4. Step 4: Simplify right side
    60,746.99x = 3,311,740,129.62
  5. Step 5: Solve for x
    x = 3,311,740,129.62/60,746.99
  6. Step 6: Final answer
    x = 54,516.95

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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.