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Finding the Fourth Proportional to 63,716.68, 87,931.26 and 35,038.51

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Solution

The fourth proportional to 63,716.68, 87,931.26 and 35,038.51 is: 48,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,716.68 : 87,931.26 = 35,038.51 : x
  2. Step 2: Convert to fraction form
    63,716.68/87,931.26 = 35,038.51/x
  3. Step 3: Cross multiply
    63,716.68x = 87,931.26 × 35,038.51
  4. Step 4: Simplify right side
    63,716.68x = 3,080,980,332.82
  5. Step 5: Solve for x
    x = 3,080,980,332.82/63,716.68
  6. Step 6: Final answer
    x = 48,354.38

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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.