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Finding the Fourth Proportional to 63,258.95, 87,362.73 and 54,720.08

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Solution

The fourth proportional to 63,258.95, 87,362.73 and 54,720.08 is: 75,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,258.95 : 87,362.73 = 54,720.08 : x
  2. Step 2: Convert to fraction form
    63,258.95/87,362.73 = 54,720.08/x
  3. Step 3: Cross multiply
    63,258.95x = 87,362.73 × 54,720.08
  4. Step 4: Simplify right side
    63,258.95x = 4,780,495,557.22
  5. Step 5: Solve for x
    x = 4,780,495,557.22/63,258.95
  6. Step 6: Final answer
    x = 75,570.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.