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Finding the Fourth Proportional to 63,509.02, 87,646.32 and 35,214.70

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Solution

The fourth proportional to 63,509.02, 87,646.32 and 35,214.70 is: 48,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.02 : 87,646.32 = 35,214.70 : x
  2. Step 2: Convert to fraction form
    63,509.02/87,646.32 = 35,214.70/x
  3. Step 3: Cross multiply
    63,509.02x = 87,646.32 × 35,214.70
  4. Step 4: Simplify right side
    63,509.02x = 3,086,438,864.90
  5. Step 5: Solve for x
    x = 3,086,438,864.90/63,509.02
  6. Step 6: Final answer
    x = 48,598.43

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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.