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Finding the Fourth Proportional to 59,718.51, 82,430.00 and 38,497.71

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Solution

The fourth proportional to 59,718.51, 82,430.00 and 38,497.71 is: 53,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,718.51 : 82,430.00 = 38,497.71 : x
  2. Step 2: Convert to fraction form
    59,718.51/82,430.00 = 38,497.71/x
  3. Step 3: Cross multiply
    59,718.51x = 82,430.00 × 38,497.71
  4. Step 4: Simplify right side
    59,718.51x = 3,173,366,042.81
  5. Step 5: Solve for x
    x = 3,173,366,042.81/59,718.51
  6. Step 6: Final answer
    x = 53,138.73

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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.