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Finding the Fourth Proportional to 47,089.60, 70,749.60 and 35,425.60

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Solution

The fourth proportional to 47,089.60, 70,749.60 and 35,425.60 is: 53,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.60 : 70,749.60 = 35,425.60 : x
  2. Step 2: Convert to fraction form
    47,089.60/70,749.60 = 35,425.60/x
  3. Step 3: Cross multiply
    47,089.60x = 70,749.60 × 35,425.60
  4. Step 4: Simplify right side
    47,089.60x = 2,506,347,029.76
  5. Step 5: Solve for x
    x = 2,506,347,029.76/47,089.60
  6. Step 6: Final answer
    x = 53,225.07

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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.