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Finding the Fourth Proportional to 60,564.70, 90,810.60 and 31,040.20

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Solution

The fourth proportional to 60,564.70, 90,810.60 and 31,040.20 is: 46,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,564.70 : 90,810.60 = 31,040.20 : x
  2. Step 2: Convert to fraction form
    60,564.70/90,810.60 = 31,040.20/x
  3. Step 3: Cross multiply
    60,564.70x = 90,810.60 × 31,040.20
  4. Step 4: Simplify right side
    60,564.70x = 2,818,779,186.12
  5. Step 5: Solve for x
    x = 2,818,779,186.12/60,564.70
  6. Step 6: Final answer
    x = 46,541.62

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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.