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Finding the Fourth Proportional to 64,852.90, 97,212.48 and 47,038.96

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Solution

The fourth proportional to 64,852.90, 97,212.48 and 47,038.96 is: 70,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.90 : 97,212.48 = 47,038.96 : x
  2. Step 2: Convert to fraction form
    64,852.90/97,212.48 = 47,038.96/x
  3. Step 3: Cross multiply
    64,852.90x = 97,212.48 × 47,038.96
  4. Step 4: Simplify right side
    64,852.90x = 4,572,773,958.22
  5. Step 5: Solve for x
    x = 4,572,773,958.22/64,852.90
  6. Step 6: Final answer
    x = 70,509.94

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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.