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Finding the Fourth Proportional to 50,875.28, 70,203.29 and 28,214.22

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Solution

The fourth proportional to 50,875.28, 70,203.29 and 28,214.22 is: 38,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.28 : 70,203.29 = 28,214.22 : x
  2. Step 2: Convert to fraction form
    50,875.28/70,203.29 = 28,214.22/x
  3. Step 3: Cross multiply
    50,875.28x = 70,203.29 × 28,214.22
  4. Step 4: Simplify right side
    50,875.28x = 1,980,730,927.71
  5. Step 5: Solve for x
    x = 1,980,730,927.71/50,875.28
  6. Step 6: Final answer
    x = 38,933.08

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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.