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Finding the Fourth Proportional to 64,242.87, 96,373.53 and 19,873.08

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Solution

The fourth proportional to 64,242.87, 96,373.53 and 19,873.08 is: 29,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,242.87 : 96,373.53 = 19,873.08 : x
  2. Step 2: Convert to fraction form
    64,242.87/96,373.53 = 19,873.08/x
  3. Step 3: Cross multiply
    64,242.87x = 96,373.53 × 19,873.08
  4. Step 4: Simplify right side
    64,242.87x = 1,915,238,962.74
  5. Step 5: Solve for x
    x = 1,915,238,962.74/64,242.87
  6. Step 6: Final answer
    x = 29,812.48

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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.