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Finding the Fourth Proportional to 64,562.76, 97,221.69 and 56,341.26

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Solution

The fourth proportional to 64,562.76, 97,221.69 and 56,341.26 is: 84,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,562.76 : 97,221.69 = 56,341.26 : x
  2. Step 2: Convert to fraction form
    64,562.76/97,221.69 = 56,341.26/x
  3. Step 3: Cross multiply
    64,562.76x = 97,221.69 × 56,341.26
  4. Step 4: Simplify right side
    64,562.76x = 5,477,592,513.93
  5. Step 5: Solve for x
    x = 5,477,592,513.93/64,562.76
  6. Step 6: Final answer
    x = 84,841.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.