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Finding the Fourth Proportional to 64,022.48, 88,359 and 37,159.20

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Solution

The fourth proportional to 64,022.48, 88,359 and 37,159.20 is: 51,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.48 : 88,359 = 37,159.20 : x
  2. Step 2: Convert to fraction form
    64,022.48/88,359 = 37,159.20/x
  3. Step 3: Cross multiply
    64,022.48x = 88,359 × 37,159.20
  4. Step 4: Simplify right side
    64,022.48x = 3,283,349,752.80
  5. Step 5: Solve for x
    x = 3,283,349,752.80/64,022.48
  6. Step 6: Final answer
    x = 51,284.33

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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.