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Finding the Fourth Proportional to 64,368.68, 88,827.26 and 35,688.20

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Solution

The fourth proportional to 64,368.68, 88,827.26 and 35,688.20 is: 49,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368.68 : 88,827.26 = 35,688.20 : x
  2. Step 2: Convert to fraction form
    64,368.68/88,827.26 = 35,688.20/x
  3. Step 3: Cross multiply
    64,368.68x = 88,827.26 × 35,688.20
  4. Step 4: Simplify right side
    64,368.68x = 3,170,085,020.33
  5. Step 5: Solve for x
    x = 3,170,085,020.33/64,368.68
  6. Step 6: Final answer
    x = 49,248.87

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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.