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Finding the Fourth Proportional to 64,263.47, 88,684.04 and 37,421.63

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Solution

The fourth proportional to 64,263.47, 88,684.04 and 37,421.63 is: 51,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,263.47 : 88,684.04 = 37,421.63 : x
  2. Step 2: Convert to fraction form
    64,263.47/88,684.04 = 37,421.63/x
  3. Step 3: Cross multiply
    64,263.47x = 88,684.04 × 37,421.63
  4. Step 4: Simplify right side
    64,263.47x = 3,318,701,144.68
  5. Step 5: Solve for x
    x = 3,318,701,144.68/64,263.47
  6. Step 6: Final answer
    x = 51,642.11

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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.