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Finding the Fourth Proportional to 64,356.98, 88,798.14 and 38,867.49

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Solution

The fourth proportional to 64,356.98, 88,798.14 and 38,867.49 is: 53,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.98 : 88,798.14 = 38,867.49 : x
  2. Step 2: Convert to fraction form
    64,356.98/88,798.14 = 38,867.49/x
  3. Step 3: Cross multiply
    64,356.98x = 88,798.14 × 38,867.49
  4. Step 4: Simplify right side
    64,356.98x = 3,451,360,818.47
  5. Step 5: Solve for x
    x = 3,451,360,818.47/64,356.98
  6. Step 6: Final answer
    x = 53,628.39

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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.