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Finding the Fourth Proportional to 91,750.02, 137,638.74 and 32,580.74

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Solution

The fourth proportional to 91,750.02, 137,638.74 and 32,580.74 is: 48,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,750.02 : 137,638.74 = 32,580.74 : x
  2. Step 2: Convert to fraction form
    91,750.02/137,638.74 = 32,580.74/x
  3. Step 3: Cross multiply
    91,750.02x = 137,638.74 × 32,580.74
  4. Step 4: Simplify right side
    91,750.02x = 4,484,372,001.87
  5. Step 5: Solve for x
    x = 4,484,372,001.87/91,750.02
  6. Step 6: Final answer
    x = 48,875.98

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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.