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Finding the Fourth Proportional to 56,010.10, 83,927.66 and 47,655.76

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Solution

The fourth proportional to 56,010.10, 83,927.66 and 47,655.76 is: 71,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.10 : 83,927.66 = 47,655.76 : x
  2. Step 2: Convert to fraction form
    56,010.10/83,927.66 = 47,655.76/x
  3. Step 3: Cross multiply
    56,010.10x = 83,927.66 × 47,655.76
  4. Step 4: Simplify right side
    56,010.10x = 3,999,636,184.04
  5. Step 5: Solve for x
    x = 3,999,636,184.04/56,010.10
  6. Step 6: Final answer
    x = 71,409.20

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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.