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Finding the Fourth Proportional to 70,527.60, 105,798.69 and 48,548.25

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Solution

The fourth proportional to 70,527.60, 105,798.69 and 48,548.25 is: 72,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,527.60 : 105,798.69 = 48,548.25 : x
  2. Step 2: Convert to fraction form
    70,527.60/105,798.69 = 48,548.25/x
  3. Step 3: Cross multiply
    70,527.60x = 105,798.69 × 48,548.25
  4. Step 4: Simplify right side
    70,527.60x = 5,136,341,251.79
  5. Step 5: Solve for x
    x = 5,136,341,251.79/70,527.60
  6. Step 6: Final answer
    x = 72,827.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.