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Finding the Fourth Proportional to 47,240.48, 70,870.48 and 39,503.36

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Solution

The fourth proportional to 47,240.48, 70,870.48 and 39,503.36 is: 59,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,240.48 : 70,870.48 = 39,503.36 : x
  2. Step 2: Convert to fraction form
    47,240.48/70,870.48 = 39,503.36/x
  3. Step 3: Cross multiply
    47,240.48x = 70,870.48 × 39,503.36
  4. Step 4: Simplify right side
    47,240.48x = 2,799,622,084.81
  5. Step 5: Solve for x
    x = 2,799,622,084.81/47,240.48
  6. Step 6: Final answer
    x = 59,263.20

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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.