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Finding the Fourth Proportional to 63,784.16, 88,024.80 and 35,490.08

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Solution

The fourth proportional to 63,784.16, 88,024.80 and 35,490.08 is: 48,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,784.16 : 88,024.80 = 35,490.08 : x
  2. Step 2: Convert to fraction form
    63,784.16/88,024.80 = 35,490.08/x
  3. Step 3: Cross multiply
    63,784.16x = 88,024.80 × 35,490.08
  4. Step 4: Simplify right side
    63,784.16x = 3,124,007,193.98
  5. Step 5: Solve for x
    x = 3,124,007,193.98/63,784.16
  6. Step 6: Final answer
    x = 48,977.79

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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.