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Finding the Fourth Proportional to 77,564.07, 107,038.52 and 44,030.07

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Solution

The fourth proportional to 77,564.07, 107,038.52 and 44,030.07 is: 60,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,564.07 : 107,038.52 = 44,030.07 : x
  2. Step 2: Convert to fraction form
    77,564.07/107,038.52 = 44,030.07/x
  3. Step 3: Cross multiply
    77,564.07x = 107,038.52 × 44,030.07
  4. Step 4: Simplify right side
    77,564.07x = 4,712,913,308.15
  5. Step 5: Solve for x
    x = 4,712,913,308.15/77,564.07
  6. Step 6: Final answer
    x = 60,761.55

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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.