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Finding the Fourth Proportional to 64,302.15, 88,741.63 and 38,814.71

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Solution

The fourth proportional to 64,302.15, 88,741.63 and 38,814.71 is: 53,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302.15 : 88,741.63 = 38,814.71 : x
  2. Step 2: Convert to fraction form
    64,302.15/88,741.63 = 38,814.71/x
  3. Step 3: Cross multiply
    64,302.15x = 88,741.63 × 38,814.71
  4. Step 4: Simplify right side
    64,302.15x = 3,444,480,846.53
  5. Step 5: Solve for x
    x = 3,444,480,846.53/64,302.15
  6. Step 6: Final answer
    x = 53,567.12

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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.