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Finding the Fourth Proportional to 63,482.68, 87,406.64 and 53,902.60

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Solution

The fourth proportional to 63,482.68, 87,406.64 and 53,902.60 is: 74,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,482.68 : 87,406.64 = 53,902.60 : x
  2. Step 2: Convert to fraction form
    63,482.68/87,406.64 = 53,902.60/x
  3. Step 3: Cross multiply
    63,482.68x = 87,406.64 × 53,902.60
  4. Step 4: Simplify right side
    63,482.68x = 4,711,445,153.26
  5. Step 5: Solve for x
    x = 4,711,445,153.26/63,482.68
  6. Step 6: Final answer
    x = 74,216.23

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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.