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Finding the Fourth Proportional to 60,554.70, 90,795.60 and 31,030.20

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Solution

The fourth proportional to 60,554.70, 90,795.60 and 31,030.20 is: 46,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,554.70 : 90,795.60 = 31,030.20 : x
  2. Step 2: Convert to fraction form
    60,554.70/90,795.60 = 31,030.20/x
  3. Step 3: Cross multiply
    60,554.70x = 90,795.60 × 31,030.20
  4. Step 4: Simplify right side
    60,554.70x = 2,817,405,627.12
  5. Step 5: Solve for x
    x = 2,817,405,627.12/60,554.70
  6. Step 6: Final answer
    x = 46,526.62

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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.