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Finding the Fourth Proportional to 62,957.51, 86,886.65 and 34,668.53

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Solution

The fourth proportional to 62,957.51, 86,886.65 and 34,668.53 is: 47,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,957.51 : 86,886.65 = 34,668.53 : x
  2. Step 2: Convert to fraction form
    62,957.51/86,886.65 = 34,668.53/x
  3. Step 3: Cross multiply
    62,957.51x = 86,886.65 × 34,668.53
  4. Step 4: Simplify right side
    62,957.51x = 3,012,232,432.12
  5. Step 5: Solve for x
    x = 3,012,232,432.12/62,957.51
  6. Step 6: Final answer
    x = 47,845.48

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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.