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Finding the Fourth Proportional to 93,064.58, 128,451.93 and 52,801.91

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Solution

The fourth proportional to 93,064.58, 128,451.93 and 52,801.91 is: 72,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,064.58 : 128,451.93 = 52,801.91 : x
  2. Step 2: Convert to fraction form
    93,064.58/128,451.93 = 52,801.91/x
  3. Step 3: Cross multiply
    93,064.58x = 128,451.93 × 52,801.91
  4. Step 4: Simplify right side
    93,064.58x = 6,782,507,247.19
  5. Step 5: Solve for x
    x = 6,782,507,247.19/93,064.58
  6. Step 6: Final answer
    x = 72,879.58

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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.