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Finding the Fourth Proportional to 64,856.52, 97,284.80 and 15,608.52

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Solution

The fourth proportional to 64,856.52, 97,284.80 and 15,608.52 is: 23,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.52 : 97,284.80 = 15,608.52 : x
  2. Step 2: Convert to fraction form
    64,856.52/97,284.80 = 15,608.52/x
  3. Step 3: Cross multiply
    64,856.52x = 97,284.80 × 15,608.52
  4. Step 4: Simplify right side
    64,856.52x = 1,518,471,746.50
  5. Step 5: Solve for x
    x = 1,518,471,746.50/64,856.52
  6. Step 6: Final answer
    x = 23,412.78

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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.