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Finding the Fourth Proportional to 61,390.48, 84,673.52 and 37,497.52

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Solution

The fourth proportional to 61,390.48, 84,673.52 and 37,497.52 is: 51,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,390.48 : 84,673.52 = 37,497.52 : x
  2. Step 2: Convert to fraction form
    61,390.48/84,673.52 = 37,497.52/x
  3. Step 3: Cross multiply
    61,390.48x = 84,673.52 × 37,497.52
  4. Step 4: Simplify right side
    61,390.48x = 3,175,047,009.67
  5. Step 5: Solve for x
    x = 3,175,047,009.67/61,390.48
  6. Step 6: Final answer
    x = 51,718.88

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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.