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Finding the Fourth Proportional to 84,762.44, 116,977.64 and 47,036.69

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Solution

The fourth proportional to 84,762.44, 116,977.64 and 47,036.69 is: 64,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.44 : 116,977.64 = 47,036.69 : x
  2. Step 2: Convert to fraction form
    84,762.44/116,977.64 = 47,036.69/x
  3. Step 3: Cross multiply
    84,762.44x = 116,977.64 × 47,036.69
  4. Step 4: Simplify right side
    84,762.44x = 5,502,240,989.61
  5. Step 5: Solve for x
    x = 5,502,240,989.61/84,762.44
  6. Step 6: Final answer
    x = 64,913.67

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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.