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Finding the Fourth Proportional to 57,953.60, 86,904.80 and 26,798.40

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Solution

The fourth proportional to 57,953.60, 86,904.80 and 26,798.40 is: 40,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,953.60 : 86,904.80 = 26,798.40 : x
  2. Step 2: Convert to fraction form
    57,953.60/86,904.80 = 26,798.40/x
  3. Step 3: Cross multiply
    57,953.60x = 86,904.80 × 26,798.40
  4. Step 4: Simplify right side
    57,953.60x = 2,328,909,592.32
  5. Step 5: Solve for x
    x = 2,328,909,592.32/57,953.60
  6. Step 6: Final answer
    x = 40,185.76

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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.