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Finding the Fourth Proportional to 64,907.80, 97,332.90 and 29,829.40

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Solution

The fourth proportional to 64,907.80, 97,332.90 and 29,829.40 is: 44,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,907.80 : 97,332.90 = 29,829.40 : x
  2. Step 2: Convert to fraction form
    64,907.80/97,332.90 = 29,829.40/x
  3. Step 3: Cross multiply
    64,907.80x = 97,332.90 × 29,829.40
  4. Step 4: Simplify right side
    64,907.80x = 2,903,382,007.26
  5. Step 5: Solve for x
    x = 2,903,382,007.26/64,907.80
  6. Step 6: Final answer
    x = 44,730.86

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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.