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Finding the Fourth Proportional to 64,187.46, 88,551.55 and 42,973.56

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Solution

The fourth proportional to 64,187.46, 88,551.55 and 42,973.56 is: 59,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,187.46 : 88,551.55 = 42,973.56 : x
  2. Step 2: Convert to fraction form
    64,187.46/88,551.55 = 42,973.56/x
  3. Step 3: Cross multiply
    64,187.46x = 88,551.55 × 42,973.56
  4. Step 4: Simplify right side
    64,187.46x = 3,805,375,347.02
  5. Step 5: Solve for x
    x = 3,805,375,347.02/64,187.46
  6. Step 6: Final answer
    x = 59,285.34

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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.