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Finding the Fourth Proportional to 62,957.63, 86,878.90 and 34,661.50

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Solution

The fourth proportional to 62,957.63, 86,878.90 and 34,661.50 is: 47,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,957.63 : 86,878.90 = 34,661.50 : x
  2. Step 2: Convert to fraction form
    62,957.63/86,878.90 = 34,661.50/x
  3. Step 3: Cross multiply
    62,957.63x = 86,878.90 × 34,661.50
  4. Step 4: Simplify right side
    62,957.63x = 3,011,352,384.65
  5. Step 5: Solve for x
    x = 3,011,352,384.65/62,957.63
  6. Step 6: Final answer
    x = 47,831.41

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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.