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Finding the Fourth Proportional to 64,526.90, 89,044.37 and 37,670.90

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Solution

The fourth proportional to 64,526.90, 89,044.37 and 37,670.90 is: 51,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,526.90 : 89,044.37 = 37,670.90 : x
  2. Step 2: Convert to fraction form
    64,526.90/89,044.37 = 37,670.90/x
  3. Step 3: Cross multiply
    64,526.90x = 89,044.37 × 37,670.90
  4. Step 4: Simplify right side
    64,526.90x = 3,354,381,557.83
  5. Step 5: Solve for x
    x = 3,354,381,557.83/64,526.90
  6. Step 6: Final answer
    x = 51,984.24

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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.