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Finding the Fourth Proportional to 64,368.47, 96,552.71 and 52,509.47

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Solution

The fourth proportional to 64,368.47, 96,552.71 and 52,509.47 is: 78,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368.47 : 96,552.71 = 52,509.47 : x
  2. Step 2: Convert to fraction form
    64,368.47/96,552.71 = 52,509.47/x
  3. Step 3: Cross multiply
    64,368.47x = 96,552.71 × 52,509.47
  4. Step 4: Simplify right side
    64,368.47x = 5,069,931,080.76
  5. Step 5: Solve for x
    x = 5,069,931,080.76/64,368.47
  6. Step 6: Final answer
    x = 78,764.20

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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.