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Finding the Fourth Proportional to 64,681.69, 89,250.14 and 37,448.07

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Solution

The fourth proportional to 64,681.69, 89,250.14 and 37,448.07 is: 51,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681.69 : 89,250.14 = 37,448.07 : x
  2. Step 2: Convert to fraction form
    64,681.69/89,250.14 = 37,448.07/x
  3. Step 3: Cross multiply
    64,681.69x = 89,250.14 × 37,448.07
  4. Step 4: Simplify right side
    64,681.69x = 3,342,245,490.23
  5. Step 5: Solve for x
    x = 3,342,245,490.23/64,681.69
  6. Step 6: Final answer
    x = 51,672.20

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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.