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Finding the Fourth Proportional to 93,557.00, 129,072.02 and 57,684.74

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Solution

The fourth proportional to 93,557.00, 129,072.02 and 57,684.74 is: 79,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,557.00 : 129,072.02 = 57,684.74 : x
  2. Step 2: Convert to fraction form
    93,557.00/129,072.02 = 57,684.74/x
  3. Step 3: Cross multiply
    93,557.00x = 129,072.02 × 57,684.74
  4. Step 4: Simplify right side
    93,557.00x = 7,445,484,981.19
  5. Step 5: Solve for x
    x = 7,445,484,981.19/93,557.00
  6. Step 6: Final answer
    x = 79,582.34

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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.