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Finding the Fourth Proportional to 89,801.52, 134,723.40 and 30,637.40

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Solution

The fourth proportional to 89,801.52, 134,723.40 and 30,637.40 is: 45,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,801.52 : 134,723.40 = 30,637.40 : x
  2. Step 2: Convert to fraction form
    89,801.52/134,723.40 = 30,637.40/x
  3. Step 3: Cross multiply
    89,801.52x = 134,723.40 × 30,637.40
  4. Step 4: Simplify right side
    89,801.52x = 4,127,574,695.16
  5. Step 5: Solve for x
    x = 4,127,574,695.16/89,801.52
  6. Step 6: Final answer
    x = 45,963.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.