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Finding the Fourth Proportional to 63,695.10, 95,542.65 and 45,980.40

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Solution

The fourth proportional to 63,695.10, 95,542.65 and 45,980.40 is: 68,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,695.10 : 95,542.65 = 45,980.40 : x
  2. Step 2: Convert to fraction form
    63,695.10/95,542.65 = 45,980.40/x
  3. Step 3: Cross multiply
    63,695.10x = 95,542.65 × 45,980.40
  4. Step 4: Simplify right side
    63,695.10x = 4,393,089,264.06
  5. Step 5: Solve for x
    x = 4,393,089,264.06/63,695.10
  6. Step 6: Final answer
    x = 68,970.60

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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.