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Finding the Fourth Proportional to 53,554.60, 73,904.34 and 29,681.20

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Solution

The fourth proportional to 53,554.60, 73,904.34 and 29,681.20 is: 40,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,554.60 : 73,904.34 = 29,681.20 : x
  2. Step 2: Convert to fraction form
    53,554.60/73,904.34 = 29,681.20/x
  3. Step 3: Cross multiply
    53,554.60x = 73,904.34 × 29,681.20
  4. Step 4: Simplify right side
    53,554.60x = 2,193,569,496.41
  5. Step 5: Solve for x
    x = 2,193,569,496.41/53,554.60
  6. Step 6: Final answer
    x = 40,959.50

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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.