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Finding the Fourth Proportional to 48,740.90, 73,111.35 and 48,740.90

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Solution

The fourth proportional to 48,740.90, 73,111.35 and 48,740.90 is: 73,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.90 : 73,111.35 = 48,740.90 : x
  2. Step 2: Convert to fraction form
    48,740.90/73,111.35 = 48,740.90/x
  3. Step 3: Cross multiply
    48,740.90x = 73,111.35 × 48,740.90
  4. Step 4: Simplify right side
    48,740.90x = 3,563,512,999.22
  5. Step 5: Solve for x
    x = 3,563,512,999.22/48,740.90
  6. Step 6: Final answer
    x = 73,111.35

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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.