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Finding the Fourth Proportional to 63,070.34, 86,946.64 and 49,618.24

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Solution

The fourth proportional to 63,070.34, 86,946.64 and 49,618.24 is: 68,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.34 : 86,946.64 = 49,618.24 : x
  2. Step 2: Convert to fraction form
    63,070.34/86,946.64 = 49,618.24/x
  3. Step 3: Cross multiply
    63,070.34x = 86,946.64 × 49,618.24
  4. Step 4: Simplify right side
    63,070.34x = 4,314,138,691.93
  5. Step 5: Solve for x
    x = 4,314,138,691.93/63,070.34
  6. Step 6: Final answer
    x = 68,402.02

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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.