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Finding the Fourth Proportional to 45,686.47, 68,541.37 and 17,598.98

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Solution

The fourth proportional to 45,686.47, 68,541.37 and 17,598.98 is: 26,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.47 : 68,541.37 = 17,598.98 : x
  2. Step 2: Convert to fraction form
    45,686.47/68,541.37 = 17,598.98/x
  3. Step 3: Cross multiply
    45,686.47x = 68,541.37 × 17,598.98
  4. Step 4: Simplify right side
    45,686.47x = 1,206,258,199.80
  5. Step 5: Solve for x
    x = 1,206,258,199.80/45,686.47
  6. Step 6: Final answer
    x = 26,402.96

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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.